Spaceflight Now





The Mission




Orbiter: Discovery
Mission: STS-133
Payload: Leonardo
Launch: Feb. 24, 2011
Time: 4:53 p.m. EST
Site: Pad 39A, Kennedy Space Center
Landing: March 9 @
11:57 a.m. EST
Site: KSC's Shuttle Landing Facility

Mission Status Center

NASA TV (rev. L)

Master Flight Plan

Countdown timeline

Ascent events chart

Launch windows chart

SRB case history

STS-133 Video Coverage

High Definition Video

STS-133 Mission Index

Our Shuttle Archive




The Crew




Cdr Steve Lindsey

Pilot Eric Boe

MS 1 Al Drew

MS 2 Steve Bowen

MS 3 Mike Barratt

MS 4 Nicole Stott




STS-133 Mission Coverage



Space shuttle Enterprise lands in the Big Apple

The trailblazing prototype for the space shuttle fleet, the Enterprise, was hauled Friday atop a modified Boeing 747 to New York City where it will become a new exhibit aboard the Intrepid Sea, Air & Space Museum, a vintage aircraft carrier turned museum anchored in the Hudson River.

   FULL STORY
   FERRYFLIGHT STATUS CENTER - live updates
   IMAGES: AERIAL VIEWS OF ENTERPRISE OVER NYC
   IMAGES: ENTERPRISE FLIES OVER NEW HOME
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VIDEO: ENTERPRISE TAKES OFF ON FERRYFLIGHT PLAY | HI-DEF
VIDEO: ARRIVAL CEREMONY IN NEW YORK CITY PLAY | HI-DEF
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Discovery enters Smithsonian as historic relic of bygone era

The most-flown spaceship in human history, sailing on 39 voyages to deploy and retrieve satellites, open a new window on the universe by launching the Hubble Space Telescope and help to construct the International Space Station, the shuttle orbiter Discovery reached her final resting place Thursday at the Smithsonian.

   FULL STORY
   FERRYFLIGHT STATUS CENTER - live updates and streaming video
   IMAGES: SHUTTLE DISCOVERY ENTERS SMITHSONIAN
   IMAGES: INDUCTION CEREMONY OUTSIDE SMITHSONIAN
   IMAGES: DISCOVERY ARRIVES FOR MUSEUM CEREMONY
   IMAGES: ENTERPRISE LEAVES SMITHSONIAN DISPLAY
   IMAGES: DISCOVERY MOVED TO CRANE CONTRAPTION


Spaceport to Smithsonian: Discovery flies away

The space shuttle orbiter Discovery, part of Kennedy Space Center's heart and soul for three decades, departed the Florida spaceport forever Tuesday morning en route to become a museum exhibit at the Smithsonian's annex in Northern Virginia.

   FULL STORY
   IMAGES: DISCOVERY FLYOVER PHOTO GALLERY
   PANO: ARTISTIC PANORAMA OF TAKEOFF

   IMAGES: DEPARTURE FROM KENNEDY SPACE CENTER
   IMAGES: DISCOVERY FLIES OVER NATION'S CAPITAL
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VIDEO: TIRE-SMOKING TOUCHDOWN AT DULLES PLAY | HI-DEF
VIDEO: DISCOVERY'S KENNEDY SPACE CENTER FLYOVER PLAY | HI-DEF
VIDEO: FERRYFLIGHT BUZZES OVER COCOA BEACH PLAY | HI-DEF
VIDEO: AERIAL VIEWS OF FERRYFLIGHT TAKING OFF PLAY | HI-DEF
VIDEO: TAKEOFF OF SHUTTLE CARRIER AIRCRAFT PLAY | HI-DEF
VIDEO: TAXIING TO NORTH-END OF RUNWAY PLAY | HI-DEF
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Space shuttle ferryflight to Smithsonian ready for takeoff

Now perched atop the Shuttle Carrier Aircraft, Discovery emerged from the crane gantry this morning to spend the final day at the place she called home for three decades.

   FULL STORY
   VIDEO: 3-DAY TIMELAPSE OF LOADING DISCOVERY ATOP 747
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VIDEO: AERIAL VIEWS OF DISCOVERY ATOP 747 PLAY | HI-DEF
VIDEO: DISCOVERY'S FINAL CREW SAYS GOODBYE PLAY | HI-DEF
VIDEO: 747 PUSHES OUT OF CRANE GANTRY PLAY | HI-DEF
VIDEO: ORBITER MOUNTED ATOP THE CARRIER JET PLAY | HI-DEF
VIDEO: DISCOVERY ROLLS TO RUNWAY FOR FERRYFLIGHT PLAY | HI-DEF
VIDEO: SHUTTLE CARRIER AIRCRAFT ARRIVES @ KSC PLAY | HI-DEF
VIDEO: DISCOVERY MOVED TO VAB FOR STORAGE PLAY | HI-DEF
VIDEO: CREW MODULE HATCH CLOSED IN HANGAR PLAY | HI-DEF
VIDEO: MIDDECK PUT BACK TOGETHER PLAY | HI-DEF
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A windy Saturday morning interview with Stephanie Stilson, a long-time space shuttle Discovery official at Kennedy Space Center and now manager of all the orbiters' retirement activities.



Shuttle Discovery mounted atop 747 carrier jet

The very same aircraft that delivered Discovery from her California manufacturing plant in Palmdale to the Kennedy Space Center in 1983 was topped by the orbiter Sunday morning to prepare for Tuesday's ferryflight to the orbiter's museum display site outside Washington, D.C.

   FERRYFLIGHT STATUS CENTER
   IMAGES: A PHOTO TOUR OF THE 747
Public can get up-close view of shuttle ferryflight takeoff
Talk about access! Space shuttle fans have a unique opportunity to buy front-row seats at Kennedy Space Center's runway to watch Discovery depart the spaceport atop the 747 carrier jet Tuesday morning.
   FULL STORY


Discovery rolls to runway, winds delay 747 mating

In the predawn darkness Saturday, the shuttle Discovery moved ever closer to leaving her home port forever as remaining technicians towed the decommissioned spaceplane to the runway ramp for mounting atop the 747 carrier jet. However, strong winds stalled plans to hoist the orbiter off the ground until Sunday.

   FULL STORY
   IMAGES: DISCOVERY LEAVES VAB
   IMAGES: A PHOTO TOUR OF THE 747


Discovery's ride arrives

The modified Boeing 747 jumbojet that will haul the space shuttle Discovery piggyback-style to the Smithsonian next week flew across the country to Kennedy Space Center on Tuesday to pick up the spaceplane passenger.

   FULL STORY
   IMAGES: 747 ARRIVES @ KSC


Discovery leaves hangar to await April 17 ferryflight

Exactly one year to the day since returning from her final spaceflight and now ready for public display at the Smithsonian, the most-flown space shuttle orbiter was rolled from the Kennedy Space Center hangar and placed into temporary storage at the Vehicle Assembly Building today.

   FULL STORY
   IMAGES: DISCOVERY AND ATLANTIS SHUFFLE


'Sporty' weather greeted Discovery on final landing

When the shuttle Discovery swooped back to the Kennedy Space Center a year ago Friday to conclude the spaceship's flying days, commander Steve Lindsey was dealt some of the most challenging weather conditions ever experienced during an orbiter landing.

   FULL STORY
   OUR STS-133 MISSION COVERAGE
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VIDEO: ASTRONAUTS' POST-FLIGHT MISSION REVIEW PLAY | HI-DEF

MORE: STS-133 VIDEO ARCHIVE
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Experience a space shuttle launch like never before

These slow-motion films capture the awe-inspiring sight of a space shuttle blasting off from the Kennedy Space Center on one of the program's final missions, Discovery soaring skyward in February headed for the International Space Station. The amazing videos are presented here for Spaceflight Now+Plus users.

   VIDEO COLLECTION
   STS-133 VIDEO ARCHIVE


Good night, Discovery

The space shuttle Discovery, undergoing her retirement and transition to museum status at the Kennedy Space Center, has been outfitted with hollowed thruster and rocket pods, replicas of the main engines, the payload bay doors sealed up and the emotional moment of being powered down for the final time. We take a look back at all of those events in this video package presented for Spaceflight Now+Plus users.

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VIDEO: FERRYFLIGHT TAIL CONE PUT IN PLACE PLAY | HI-DEF
VIDEO: MAIN ENGINE "EYE LIDS" INSTALLED PLAY | HI-DEF
VIDEO: EMOTIONS AFTER FINAL POWERDOWN PLAY | HI-DEF
VIDEO: DISCOVERY POWERED OFF FINAL TIME PLAY | HI-DEF
VIDEO: PAYLOAD BAY DOORS SWING SHUT PLAY | HI-DEF
VIDEO: REPLICA MAIN ENGINES INSERTED PLAY | HI-DEF
VIDEO: ASTRONAUTS' MIDDECK KITCHEN PLAY | HI-DEF
VIDEO: NOSE THRUSTER PIECE INSTALLED PLAY | HI-DEF
VIDEO: HOLLOWED RIGHT-HAND OMS POD PLAY | HI-DEF
VIDEO: LEFT-HAND OMS POD ATTACHED PLAY | HI-DEF
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Ferryflight tail cone put onto shuttle Discovery

The aerodynamic tail cone to cover space shuttle Discovery's main engines and provide a smooth airflow during the piggyback ride atop the modified Boeing 747 carrier jet to the Smithsonian in April was installed onto the orbiter this week.

   PHOTO GALLERY


Shuttle Discovery's historic payload bay goes dark

After deploying 21 satellites from expansive confines, including the Hubble Space Telescope, commercial spacecraft and military eavesdroppers, hosting scientific platforms and hauling key pieces of the International Space Station, the payload bay of space shuttle Discovery was closed and locked as the spacecraft was powered off for the final time Friday.

   PHOTO GALLERY
Discovery getting replica engines for Smithsonian
In preparation for displaying the space shuttle Discovery at the Smithsonian's National Air and Space Museum Steven F. Udvar-Hazy Center, technicians began installing replica main engines on Monday.
   PHOTO GALLERY


Two shuttle orbiters face off on road to retirement duty

Two space shuttle orbiters swapped places at the Kennedy Space Center on Thursday as NASA prepares the retired spaceships for public display in museums. The unique morning climaxed with a nose-to-nose photo opportunity with Discovery and Endeavour.

   IMAGES: DISCOVERY AND ENDEAVOUR PICTURED TOGETHER


Discovery leaves hangar to make room for Atlantis

The space shuttle Discovery on Wednesday morning made her first public appearance outside the hangar since being retired, emerging without any main engines, nose thrusters or aft rocket pods. Seeing the stripped down orbiter with a gaping hole in the nose was a harsh reminder that the spaceship's flying days are over.

   IMAGES: SPECIAL PHOTO GALLERY
   VIDEO: DISCOVERY MOVES TO STORAGE


Shuttle workers prepare Discovery for museum duty

Technicians preparing the shuttle Discovery for public display say the retired spaceship will be ready to leave the Kennedy Space Center in February for its new home at a Smithsonian museum annex near Washington.

   FULL STORY
   IMAGES: DISCOVERY'S FLIGHT DECK
   IMAGES: PEEK INSIDE THE PAYLOAD BAY
   IMAGES: BUSINESS END OF DISCOVERY
   STS-133 ARCHIVE



Space shuttle retirement museums announced

NASA Administrator Charles Bolden unveiled which museums will house the retired space shuttle vehicles during a ceremony Tuesday on the 30th anniversary of the program's first launching. The future homes are: Discovery to the Smithsonian's National Air and Space Museum, Atlantis to the Kennedy Space Center, Endeavour to California Science Center in Los Angeles and Enterprise to the Intrepid Sea, Air & Space Museum in New York City.

   FULL STORY
   LIVE STREAMING VIDEO COVERAGE
   IMAGES: STS-1 ANNIVERSARY CEREMONY IN FLORIDA


Main engines removed from retired shuttle Discovery

The cryogenic powerplants that propelled space shuttle Discovery on her final eight-and-a-half minute climb to orbit last month were removed from the spacecraft this week. Here's some photo galleries of the three-day process.

   PHOTOS: REMOVAL OF FIRST ENGINE
   PHOTOS: SECOND ENGINE REMOVED
   PHOTOS: THIRD ENGINE PULLED OUT
   STS-133 ARCHIVE


Decommissioning work starts for shuttle Discovery

And so it begins. Technicians at the Kennedy Space Center have begun taking apart the shuttle Discovery, the ship now a laboratory specimen for engineering forensics before her future date with a museum.

   FULL STORY
   PHOTOS: DISCOVERY'S NOSE POD REMOVED
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VIDEO: NOSE PIECE REMOVED FROM DISCOVERY PLAY | HI-DEF
VIDEO: DISCOVERY TOWED OFF RUNWAY PLAY | HI-DEF

MORE: STS-133 VIDEO ARCHIVE
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Discovery's final landing marks beginning of the end

The shuttle Discovery made a graceful landing at Kennedy Space Center, returning from her final voyage after a remarkable three-decade life of service spanning 39 flights, 5,830 orbits of the planet, 365 days spent aloft and 148 million miles traveled. Discovery becomes NASA's first orbiter retired as the space shuttle fades into history over the next few months.

   FULL STORY
   MISSION STATUS CENTER - live updates and streaming video!
   IMAGES: DISCOVERY MAKES PERFECT LANDING
   IMAGES: LANDING GROUND TRACK
   MORNING STORY
   NASA TV SCHEDULE REV. L (.pdf download)
   STS-133 ARCHIVE
Spaceflight Now Plus
Additional coverage for subscribers:
VIDEO: SHUTTLE DISCOVERY LANDS FOR FINAL TIME PLAY | HI-DEF
VIDEO: ASTRONAUTS WELCOMED BACK TO EARTH PLAY | HI-DEF
VIDEO: CREW INSPECT DISCOVERY ON RUNWAY PLAY | HI-DEF
VIDEO: COMMENTS BY BOLDEN AND LINDSEY PLAY | HI-DEF
VIDEO: POST-FLIGHT CREW BRIEFING PLAY | HI-DEF

VIDEO: LANDING REPLAYS: INSIDE MISSION CONTROL PLAY | HI-DEF
VIDEO: LANDING REPLAYS: VAB ROOF PLAY | HI-DEF
VIDEO: LANDING REPLAYS: RUNWAY EAST PLAY | HI-DEF
VIDEO: LANDING REPLAYS: RUNWAY WEST PLAY | HI-DEF
VIDEO: LANDING REPLAYS: RUNWAY MID-FIELD PLAY | HI-DEF
VIDEO: LANDING REPLAYS: PATRICK AFB TRACKER PLAY | HI-DEF

VIDEO: LANDING REPLAYS: PILOT'S WINDOW PLAY
VIDEO: LANDING REPLAYS: INFRARED CAMERA PLAY
VIDEO: LANDING REPLAYS: RUNWAY NORTH PLAY
VIDEO: LANDING REPLAYS: RUNWAY SOUTH PLAY
MORE: STS-133 VIDEO ARCHIVE
HDTV: HIGH-DEFINITION COVERAGE
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Shuttle astronauts reflect on the legacy of Discovery

On the eve of returning to Earth to close out the shuttle Discovery's 39th and final flight, the ship's crew said the nation should be proud of the shuttle program's accomplishments, but expressed concern that a replacement vehicle is not waiting in the wings to replace it.

   FULL STORY
   WEATHER FORECASTERS OPTIMISTIC
   MORNING STORY
   MISSION STATUS CENTER - live updates and streaming video!
   IMAGES: DISCOVERY DEPARTS SPACE STATION
   NASA TV SCHEDULE REV. L (.pdf download)
Spaceflight Now Plus
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VIDEO: FLIGHT DAY 13 HIGHLIGHTS MOVIE PLAY
VIDEO: TUESDAY'S MISSION STATUS BRIEFING PLAY
VIDEO: SHUTTLE CREW PAYS TRIBUTE TO DISCOVERY PLAY | HI-DEF
VIDEO: INTERVIEW WITH 3-TIME DISCOVERY FLIER PLAY
VIDEO: UPDATE FROM MISSION MANAGEMENT TEAM PLAY
VIDEO: ABC, CBS AND AP MEDIA INTERVIEWS WITH CREW PLAY
MORE: STS-133 VIDEO ARCHIVE
HDTV: HIGH-DEFINITION COVERAGE
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Shuttle crew gets 'Star Trek' sendoff before undocking

The crew of the shuttle Discovery, awakened by actor William Shatner reading a "Star Trek" tribute marking the veteran spaceplane's final voyage, undocked from the International Space Station at 7 a.m. EST Monday to close out an extended assembly and resupply visit. The orbiter is scheduled to land on Wednesday.

   FULL STORY
   MORNING STORY
   NASA TV SCHEDULE REV. K (.pdf download)
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VIDEO: SPECIAL ENGINEERING FOOTAGE OF LAUNCH HI-DEF
VIDEO: WILLIAM SHATNER TRIBUTE TO DISCOVERY HI-DEF

VIDEO: FLIGHT DAY 12 HIGHLIGHTS MOVIE PLAY
VIDEO: EXTRAORDINARY TIME-LAPSE OF STATION FLYAROUND PLAY
VIDEO: MONDAY'S MISSION STATUS BRIEFING PLAY
VIDEO: BEAUTIFUL VIEWS OF DISCOVERY DURING FLYAROUND PLAY
VIDEO: SHUTTLE DISCOVERY UNDOCKS FROM THE STATION PLAY
VIDEO: NARRATED PREVIEW OF UNDOCKING DAY PLAY | HI-DEF
MORE: STS-133 VIDEO ARCHIVE
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NASA's humanoid Robonaut to be unpacked this month

A humanoid robot delivered to the space station by the shuttle Discovery should come out of its packing crate by the end of March, and ground crews could start tinkering with the Robonaut soon after. But it could be months before NASA trusts the robot to help astronauts do chores on the complex.

   FULL STORY


Shuttle crew bids farewell to space station residents

After transferring a final few items to and from the International Space Station -- and enjoying a bit of zero-gravity fun in a roomy new storage module -- the Discovery astronauts bid their station colleagues farewell Sunday, floating back aboard the orbiter to rig the ship for undocking early Monday to wrap up this shuttle's final visit.

   FULL STORY
   MORNING STORY
   NASA TV SCHEDULE REV. J (.pdf download)
Spaceflight Now Plus
Additional coverage for subscribers:
VIDEO: FLIGHT DAY 11 HIGHLIGHTS MOVIE PLAY
VIDEO: FAREWELL CEREMONY BETWEEN CREWS PLAY | HI-DEF
VIDEO: SUNDAY'S MISSION STATUS BRIEFING PLAY
VIDEO: SUNDAY MORNING FLIGHT DIRECTOR INTERVIEW PLAY
VIDEO: FLIGHT DAY 10 HIGHLIGHTS MOVIE PLAY
VIDEO: SATURDAY'S MISSION STATUS BRIEFING PLAY
MORE: STS-133 VIDEO ARCHIVE
HDTV: HIGH-DEFINITION COVERAGE
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Crew services station's air purifier, oxygen generator

The Discovery astronauts and their space station counterparts continued unloading a newly attached storage module and successfully performed electronic surgery to bypass a short circuit in a U.S. carbon dioxide removal system. Station commander Scott Kelly also installed a filter in an oxygen generator and helped flight controllers test the refurbished system.

   FULL STORY
   MORNING STORY
   NASA TV SCHEDULE REV. I (.pdf download)
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UPDATED HIGH-DEFINITION VIDEO LISTING:
FLIGHT DAY 9: CREW'S HOME MOVIES HI-DEF

FLIGHT DAY 7: ANOTHER SUCCESSFUL SPACEWALK HI-DEF
FLIGHT DAY 7: ROBONAUT MOVED INTO DESTINY LAB HI-DEF
FLIGHT DAY 7: EXERCISING ON SHUTTLE'S BICYCLE HI-DEF
FLIGHT DAY 7: SPACESUIT LEAK FOUND AND FIXED HI-DEF

FLIGHT DAY 6: PREPS FOR SPACEWALK NO. 2 HI-DEF
FLIGHT DAY 6: THE SPACEWALKING TOOLS HI-DEF
FLIGHT DAY 6: MODIFYING STATION EQUIPMENT HI-DEF
FLIGHT DAY 6: FUN TIME FLOATING IN PMM HI-DEF
FLIGHT DAY 6: CREWS ENTER INTO THE MODULE HI-DEF
FLIGHT DAY 6: PMM HATCHWAY IS OPENED UP HI-DEF
FLIGHT DAY 6: OPENING PASSAGEWAY TO MODULE HI-DEF
FLIGHT DAY 6: NEW "PMM" MODULE ATTACHED TO STATION HI-DEF
FLIGHT DAY 6: BREAKFAST TIME ABOARD THE ORBITER HI-DEF

FLIGHT DAY 5: TIRED BUT HAPPY SPACEWALKERS HI-DEF
FLIGHT DAY 5: FLY SPACE STATION'S ROBOT ARM HI-DEF
FLIGHT DAY 5: CHOREOGRAPHING THE SPACEWALK HI-DEF
FLIGHT DAY 5: SPACEWALKERS GET READY TO LEAVE HI-DEF

VIDEO: SATURDAY MORNING FLIGHT DIRECTOR INTERVIEW PLAY
VIDEO: FLIGHT DAY 9 HIGHLIGHTS MOVIE PLAY
MORE: STS-133 VIDEO ARCHIVE
HDTV: HIGH-DEFINITION COVERAGE
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Discovery crew helps unpack new station module

The Discovery astronauts Friday focused on unloading the newly attached Permanent Multipurpose Module, moving science gear and other equipment into the International Space Station and transferring packing material and unneeded gear to a Japanese cargo ship for disposal at the end of the month.

   FULL STORY
   MORNING STORY
   NASA TV SCHEDULE REV. H (.pdf download)
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VIDEO: CREW'S HOME MOVIES FROM FLIGHT DAY 9 PLAY
VIDEO: CREW'S HOME MOVIES FROM FLIGHT DAY 7 PLAY
VIDEO: CREW'S HOME MOVIES FROM FLIGHT DAY 6 PLAY
VIDEO: CREW'S HOME MOVIES FROM FLIGHT DAY 5 PLAY

VIDEO: FRIDAY'S MISSION STATUS BRIEFING PLAY
VIDEO: CREW IN-FLIGHT NEWS BRIEFING WITH U.S. AND ITALY PLAY
VIDEO: EDUCATIONAL EVENT WITH SCHOOL CHILDREN PLAY
VIDEO: FRIDAY MORNING FLIGHT DIRECTOR INTERVIEW PLAY
MORE: STS-133 VIDEO ARCHIVE
HDTV: HIGH-DEFINITION COVERAGE
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Awe-inspiring views of shuttle Discovery's launch

Onboard rocket camera footage always dazzles and the video from Discovery's external fuel tank and solid boosters didn't disappoint during the afternoon blastoff last week. A camera mounted in the pilot's window looking outward also provides an amazing view of the spacecraft rocketing toward orbit, which is presented here for Spaceflight Now+Plus users with launch audio.

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VIDEO: LEFT-HAND BOOSTER CAMERA LOOKING UPWARD PLAY
VIDEO: LEFT-HAND BOOSTER CAMERA LOOKING INBOARD PLAY
VIDEO: LEFT-HAND BOOSTER CAMERA LOOKING DOWNWARD PLAY
VIDEO: RIGHT-HAND BOOSTER CAMERA LOOKING UPWARD PLAY
VIDEO: RIGHT-HAND BOOSTER CAMERA LOOKING INBOARD PLAY
VIDEO: RIGHT-HAND BOOSTER CAMERA LOOKING DOWNWARD PLAY
VIDEO: EXTERNAL TANK CAMERA: LIFTOFF TO ORBIT PLAY
VIDEO: LOOKING OUT THE PILOT'S WINDOW DURING LAUNCH PLAY
MORE: STS-133 VIDEO COVERAGE
MORE: HIGH DEFINITION VIDEO COVERAGE
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Orbiting astronauts receive presidential phone call

The Discovery astronauts worked through a busy morning in space Thursday, took the afternoon off and enjoyed a long-distance call from President Barack Obama, who praised NASA's oldest shuttle for a "critical and iconic" final flight to the International Space Station. NASA managers, meanwhile, decided to extend Discovery's mission a second day to give the crew more time to help unload a newly attached storage module.

   FULL STORY
   MORNING STORY
   NASA TV SCHEDULE REV. G (.pdf download)
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VIDEO: FLIGHT DAY 8 HIGHLIGHTS MOVIE PLAY
VIDEO: PRESIDENT OBAMA CHATS WITH ORBITING CREW PLAY | HI-DEF
VIDEO: THURSDAY'S MISSION STATUS BRIEFING PLAY
VIDEO: DISCOVERY'S FLIGHT EXTENDED ANOTHER DAY PLAY
VIDEO: MSNBC, ATLANTA AND FOX RADIO INTERVIEWS WITH CREW PLAY
VIDEO: CNN, D.C., TAMPA, LOS ANGELES INTERVIEWS WITH CREW PLAY
VIDEO: THURSDAY MORNING FLIGHT DIRECTOR INTERVIEW PLAY
MORE: STS-133 VIDEO ARCHIVE
HDTV: HIGH-DEFINITION COVERAGE
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Spacewalk wrangles 'cats and dogs...no elephants'

Venturing outdoors from the International Space Station on Wednesday for their second of two EVAs during shuttle Discovery's mission, spacewalkers Steve Bowen and Al Drew successfully accomplished a long list of maintenance chores. The assorted collection of odds and ends was described as "cats and dogs but no elephants" because none of the various tasks were major.

   FULL STORY
   MORNING STORY
   NASA TV SCHEDULE REV. F (.pdf download)
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VIDEO: FLIGHT DAY 7 HIGHLIGHTS MOVIE PLAY
VIDEO: WEDNESDAY'S MISSION STATUS BRIEFING PLAY
VIDEO: SPACEWALKER TAKES RIDE OF A LIFETIME PLAY
VIDEO: EUROPEAN EXPERIMENT BRACKET MOVED TO SHUTTLE PLAY
VIDEO: RESIDUAL AMMONIA VENTED FROM FAILED PUMP PLAY
VIDEO: WEDNESDAY MORNING FLIGHT DIRECTOR INTERVIEW PLAY
VIDEO: NARRATED PREVIEW OF SPACEWALK NO. 2 PLAY | HI-DEF

VIDEO: FLIGHT DAY 6 HIGHLIGHTS MOVIE PLAY
MORE: STS-133 VIDEO ARCHIVE
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Special photo gallery from Discovery's final launch

Take another look back at the space shuttle Discovery's last launch with this beautiful series of photographs from NASA cameras around the Kennedy Space Center.

   PHOTO GALLERY


International Space Station gets a roomy float-in closet

An Italian-made module that will give the International Space Station a bonus room to help ease the outpost's storage woes was successfully installed Tuesday while flying 220 miles over the Sahara. The vessel is the modified Leonardo reusable cargo van that had visited the station seven times, but now it's a permanent fixture.

   ULTIMATE STATION PHOTO OP REJECTED
   NEW MODULE ADDED TO STATION
   MORNING STORY
   MISSION STATUS CENTER - live updates and streaming video!
   NASA TV SCHEDULE REV. E (.pdf download)
   STS-133 ARCHIVE
Spaceflight Now Plus
Additional coverage for subscribers:
VIDEO: SEATTLE AND HOUSTON TV INTERVIEWS WITH CREW PLAY
VIDEO: TUESDAY'S MISSION STATUS BRIEFING PLAY
VIDEO: 'NO GO' FOR SPACE STATION PHOTO OP PLAY
VIDEO: PERMANENT MULTIPURPOSE MODULE ATTACHED PLAY
VIDEO: ROBOT ARM MANEUVERS MODULE TO ITS NEW HOME PLAY
VIDEO: STATION'S NEW MODULE UNBERTHED FROM SHUTTLE PLAY
VIDEO: ROBOT ARM GRAPPLES MODULE ABOARD DISCOVERY PLAY
VIDEO: ORBITAL SUNRISE OVER PMM BEFORE LEAVING SHUTTLE PLAY
VIDEO: TUESDAY MORNING FLIGHT DIRECTOR INTERVIEW PLAY
VIDEO: ANIMATED EXPLANATION OF NEW MODULE PLAY | HI-DEF
VIDEO: NARRATED PREVIEW OF MODULE INSTALLATION PLAY | HI-DEF
MORE: STS-133 VIDEO ARCHIVE
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Spacewalkers tackle some unfinished business

Astronauts Steve Bowen and Al Drew went outside the International Space Station on Monday to accomplish last summer's leftover work of packing away a failed cooling pump and routing a power extension cable. Everything planned was accomplished during the 6-hour, 34-minute EVA that began early at 10:46 a.m. EST (1546 GMT) and concluded at 5:20 p.m. EST (2220 GMT).

   MISSION EXTENDED ONE DAY
   SPACEWALK A FULL SUCCESS
   FAILED PUMP MODULE STOWED
   ROBOT ARM CONTROLS SHUT DOWN
   POWER EXTENSION CABLE INSTALLED
   MORNING STORY
   NASA TV SCHEDULE REV. D (.pdf download)
   THE FLIGHT PLAN
Spaceflight Now Plus
Additional coverage for subscribers:
VIDEO: LAUNCH REPLAY: LOOKING OUT THE PILOT'S WINDOW PLAY

VIDEO: FLIGHT DAY 5 HIGHLIGHTS MOVIE PLAY
VIDEO: MONDAY'S MISSION STATUS BRIEFING PLAY
VIDEO: DISCOVERY'S FLIGHT EXTENDED ONE DAY PLAY
VIDEO: EVA NO. 1 CONCLUDES PLAY
VIDEO: JAPANESE "MESSAGE IN A BOTTLE" CAPTURES SPACE PLAY
VIDEO: FAILED PUMP COVERED UP WITH THERMAL BLANKET PLAY
VIDEO: GRAPPLE FIXTURE MOVED FROM PUMP TO OTHER SPARE PLAY
VIDEO: AMMONIA VENTING TOOLS ATTACHED TO FAILED PUMP PLAY
VIDEO: BOLTS ENGAGED TO HOLD OLD PUMP IN STORAGE BOX PLAY
VIDEO: FAILED PUMP MODULE FINALLY PUT INTO ENCLOSURE PLAY
VIDEO: ROBOT ARM SWINGS STEVE BOWEN AROUND THE STATION PLAY
VIDEO: SPACEWALKER HOPS ABOARD STATION'S ROBOT ARM PLAY
VIDEO: MONDAY MORNING FLIGHT DIRECTOR INTERVIEW PLAY
VIDEO: NARRATED PREVIEW OF SPACEWALK NO. 1 PLAY | HI-DEF
MORE: STS-133 VIDEO ARCHIVE
HDTV: HIGH-DEFINITION COVERAGE
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No time for Sunday rest as astronauts keep hectic pace

The Discovery astronauts worked through a busy day of robot arm activity Sunday, along with equipment transfers to the International Space Station and preparations for a spacewalk Monday by astronauts Al Drew and Steve Bowen, the first of two planned for the shuttle's final mission.

   FULL STORY
   MORNING STORY
   IMAGES: FLIGHT DAY 3 PHOTO GALLERY
   IMAGES: FLIGHT DAY 2 PHOTO GALLERY
   IMAGES: FLIGHT DAY 1 PHOTO GALLERY
   NASA TV SCHEDULE REV. C (.pdf download)
Spaceflight Now Plus
Additional coverage for subscribers:
VIDEO: FLIGHT DAY 4 HIGHLIGHTS MOVIE PLAY
VIDEO: CREW'S HOME MOVIES FROM FLIGHT DAY 4 PLAY | HI-DEF
VIDEO: WX CHANNEL, BOSTON, ATLANTA, TAMPA INTERVIEWS PLAY
VIDEO: MISSION MANAGEMENT TEAM UPDATE PLAY
VIDEO: SUNDAY'S MISSION STATUS BRIEFING PLAY
VIDEO: SUNDAY MORNING FLIGHT DIRECTOR INTERVIEW PLAY

VIDEO: FLIGHT DAY 3 HIGHLIGHTS MOVIE PLAY
VIDEO: EXPRESS LOGISTICS CARRIER NO. 4 INSTALLED PLAY
VIDEO: SPACE STATION ARM INCH-WORMS TO NEW BASE PLAY
VIDEO: PAYLOAD HANDED FROM STATION ARM TO SHUTTLE ARM PLAY
VIDEO: SPARE PARTS PLATFORM HOISTED FROM SHUTTLE PLAY
VIDEO: STATION ROBOT ARM GRAPPLES ELC 4 PALLET PLAY
VIDEO: SPACEWALKING SUITS MOVED INTO AIRLOCK PLAY
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Discovery pulls into port for her final space station visit

Sailing in orbit on her last mission, Discovery arrived at the International Space Station on Saturday for a week-long stay to prepare the outpost for life after the space shuttles are retired. Just hours after docking, an outdoor pallet for stockpiling spare parts was hoisted from the shuttle payload bay and delivered to the station.

   DOCKING STORY
   MORNING STORY
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Astronauts give Discovery full post-launch inspection

The Discovery astronauts have spent their first full day in space inspecting the shuttle's nose cap and wing leading edge panels for standard post-launch heat shield checks, testing equipment needed for upcoming spacewalks and preparing for Saturday's docking to the International Space Station.

   'CRYOPUMPING' LIKELY CAUSE OF TANK FOAM LOSS
   INJURED KOPRA CALLS THE SHUTTLE
   MORNING STORY
   MISSION STATUS CENTER - live updates and streaming video!

   IMAGES: BEAUTIFUL LAUNCH PHOTO GALLERY
   IMAGES: EVEN MORE LAUNCH PICTURES!
   NASA TV SCHEDULE REV. B (.pdf download)
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Space shuttle Discovery soars on one last journey

The shuttle Discovery weighed anchor from the Florida spaceport and set sail on her final voyage at 4:53 p.m. EST (2153 GMT) Thursday, embarking with six astronauts for an 11-day journey to bring one last module to the International Space Station.

   LAUNCH STORY
   IMAGES: PRESS SITE LAUNCH PHOTOS
   IMAGES: LAUNCH PAD GANTRY ROLLBACK
   IMAGES: THE DAY BEFORE LAUNCH
   NASA TV SCHEDULE REV. A (.pdf download)
   LAUNCH WINDOWS CHART
   COUNTDOWN SEQUENCE
   ASCENT TIMELINE
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Countdown remains on track for Thursday's shuttle launch

The shuttle Discovery's countdown is ticking smoothly toward launch Thursday on a space station re-supply mission. There are no technical problems of any significance at pad 39A and forecasters are continuing to predict an 80 percent chance of good weather.

   FULL STORY
   MANAGERS "GO" FOR DISCOVERY LAUNCH
   NASA TV SCHEDULE REV. 0 (.pdf download)
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Mission preview: One final spaceflight for Discovery

Three-and-a-half months after the shuttle Discovery was grounded by potentially dangerous cracks in its external tank, the orbiter is finally back on track for launch Thursday to deliver critical spare parts, supplies and a final U.S. module to the International Space Station. This is our five-piece, 5,400-word mission preview.

   SPECIAL MISSION PREVIEW


The shuttle Discovery fliers: A crew of seasoned pros

A veteran astronaut crew with over a year of collective spaceflight experience has arrived at the Florida spaceport to begin final preps before taking the shuttle Discovery on its final voyage to orbit Thursday.

   MEET THE ASTRONAUTS
   CREW ARRIVES FOR LAUNCH
   LAUNCH COUNTDOWN BEGINS
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Shuttle Discovery cleared
for launch next Thursday


NASA managers have given the "go" to launch shuttle Discovery next Thursday on a long-delayed space station resupply mission after an exhaustive review of ground processing and unprecedented external tank repairs to fix and prevent potentially dangerous cracks in the ship's external tank like those that derailed a launch try last November.

   FULL STORY
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VIDEO: SHUTTLE ARRIVES ATOP LAUNCH PAD 39A AGAIN PLAY | HI-DEF
VIDEO: CROWDS CHEER ON DISCOVERY'S ROLLOUT PLAY | HI-DEF
VIDEO: DISCOVERY RE-EMERGES FROM THE VAB PLAY | HI-DEF
VIDEO: LAUNCH TEAM PRACTICES PROCEDURES PLAY | HI-DEF

VIDEO: FRESH FOAM APPLIED TO EXTERNAL TANK PLAY | HI-DEF
VIDEO: REPAIRS AND STRENGTHENING TO TANK PLAY | HI-DEF
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NASA considers unique photo op during Discovery mission

Space station officials are considering the possibility of staging what might be considered the ultimate photo op during Discovery's mission to deliver critical supplies and a final U.S. module to the International Space Station. Meanwhile, NASA managers and contractors met Friday for a program-level flight readiness review for the upcoming shuttle mission.

   FULL STORY


Shuttle Discovery returns to launch pad after tank repairs

With the external tank repaired and strengthened, the space shuttle Discovery re-emerged from the Vehicle Assembly Building and returned to launch pad 39A overnight for a final pre-retirement mission to the International Space Station. Rollout began at 7:58 p.m. (0058 GMT) and was completed at 2:53 a.m. EST (0753 GMT).

   ROLLOUT STORY
   MISSION STATUS CENTER - live updates and streaming video!
   IMAGES: DISCOVERY ROLLOUT PHOTO GALLERY
   IMAGES: SHUTTLE INSIDE THE VAB


Injured astronaut replaced on shuttle Discovery's crew

Less than six weeks before launch, astronaut Timothy Kopra, injured in a bicycle accident Saturday, was removed from the crew of the shuttle Discovery Wednesday and replaced by astronaut Stephen Bowen, a veteran spacewalker who flew aboard the shuttle Atlantis last May. Despite the last-minute crew change, NASA officials say Bowen should be able to complete a hurried round of refresher training in time for blastoff around Feb. 24 as planned.

   FULL STORY


Shuttle Discovery's lead spacewalker hurt in accident

Space station veteran Timothy Kopra, scheduled for launch Feb. 24 aboard the shuttle Discovery, was injured in a bicycle accident Saturday, a NASA official said. The injury was not life threatening and the NASA official, citing medical privacy issues, provided no additional details. But multiple sources said Kopra may have broken his hip, raising the prospect of a significant impact to the already-delayed mission.

   FULL STORY


NASA zeroes in on root cause of shuttle tank cracks

Engineers believe they have zeroed in on the root cause of cracks in the shuttle Discovery's external tank, NASA officials said Tuesday. Installation of a relatively simple modification to the tops of the structural ribs, or stringers, where the ship's liquid oxygen tank is supported by a massive flange should resolve the problem once and for all, setting the stage for another launch attempt Feb. 24.

   FULL STORY
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NASA orders full round of stiffeners to Discovery tank

Senior NASA managers Monday agreed to install stiffeners all the way around the shuttle Discovery's external tank to beef up structural ribs, or stringers, that are susceptible to cracks when exposed to ultra-low-temperature propellant. Engineers say the modifications can be completed in time to support at launch as early as Feb. 24, assuming the work goes smoothly and no other major problems develop.

   FULL STORY


Shuttle Discovery launch delayed to late February

NASA managers Thursday decided to give engineers additional time to assess external tank cracks and repair scenarios, ruling out an early February launch for the shuttle Discovery. The next shuttle launch window opens Feb. 27, but NASA is assessing whether it might be possible to move that up a few days.

   FULL STORY


Shuttle engineers consider beefing up all tank 'stringers'

NASA managers Monday directed engineers to add stiffeners to some structural beams in the shuttle Discovery's external tank. Another meeting is planned for Thursday to discuss installing so called "radius-block" stiffeners to the tops of the remaining stringers that form the tank's familiar ribbed midsection, but work to beef up all 108 almost certainly would delay Discovery's launch to late February.

   FULL STORY


Inspections reveal four more cracks on Discovery's tank

Engineers examining the shuttle Discovery's external tank in the Vehicle Assembly Building have found four more small cracks in three structural ribs, or stringers, on the opposite side of the tank from the orbiter that could not be inspected at the launch pad. Four cracks on the shuttle side of the tank were repaired earlier, and it's not yet clear what, if any, additional work might be needed to develop the "flight rationale" needed for another launch attempt as early as Feb. 3.

   FULL STORY


Discovery makes return trip to assembly building

Leaving the launch pad and rolling back to the Vehicle Assembly Building early Wednesday, the space shuttle Discovery will spend the holidays having the external tank digitally X-rayed as engineers look to prove the hypothesis that its structural cracks resulted from pent up stresses accumulated during construction and were unleashed during the strains of cryogenic fueling.

   FULL STORY
   PHOTOS: ARRIVAL BACK AT ASSEMBLY BUILDING
   PHOTOS: DISCOVERY LEAVES LAUNCH PAD
   LIST OF PREVIOUS SHUTTLE ROLLBACKS
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VIDEO: DISCOVERY DEPARTS LAUNCH PAD 39A PLAY | HI-DEF
VIDEO: LUNAR ECLIPSE OVER DISCOVERY PLAY | HI-DEF

VIDEO: HIGHLIGHTS FROM THE FUELING TEST PLAY | HI-DEF
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VIDEO: STRAIN GAUGES ATTACHED TO TANK PLAY | HI-DEF
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Photos: Aerial views of space shuttle Discovery

Before the space shuttle Discovery was returned to the Vehicle Assembly Building, a photographer for NASA captured a beautiful aerial picture gallery of the spaceship standing atop Kennedy Space Center's launch pad 39A. The photos show the crawler-transporter poised to move underneath Discovery for the rollback.

   IMAGES: ENTER PHOTO GALLERY


Photos: Lunar eclipse over shuttle Discovery

NASA shot high-definition video of the lunar eclipse in the sky over Kennedy Space Center's launch pad 39A where the space shuttle Discovery was uncovered from the gantry during preps for rollback to the Vehicle Assembly Building. We took some frame grabs from that video to create this photo gallery.

   IMAGES: ENTER PHOTO GALLERY


Shuttle Discovery undergoes special fueling test

The space shuttle Discovery's external tank was loaded with a half-million gallons of supercold liquid oxygen and hydrogen rocket fuel Friday for a knowledge-building test to understand the stresses and strains the external tank endures during a countdown. The shuttle will be rolled back to the Vehicle Assembly Building on Tuesday for detailed inspections.

   NO MAJOR SURPRISES SEEN
   FUEL LOADING COMPLETED
   PREVIEW STORY
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Discovery will return to assembly building next week

Shuttle Discovery's external tank will be loaded with supercold rocket propellants as early as Friday in a critical test to help engineers understand what might have caused cracks in two structural ribs. After the test, the shuttle will be hauled back to the Vehicle Assembly Building for additional inspections and possible repairs.

   FULL STORY


Discovery's final launch postponed until February

Launch of the shuttle Discovery on a space station resupply mission will be delayed until at least Feb. 3, NASA managers announced Friday, to give engineers more time to carry out tests to help figure out what caused cracks in the ship's external tank and what, if any, modifications might be needed before the ship can be cleared for flight.

   FULL STORY
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Special fueling test could be ordered for Discovery's tank

NASA managers and engineers met Thursday to discuss the potential root cause of cracks in the shuttle Discovery's external tank, what additional tests might be needed and what, if any, modifications might be required before another launch attempt can be made.

   FULL STORY
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VIDEO: INSTALLING DOUBLERS OVER STRINGERS PLAY | HI-DEF
VIDEO: GASEOUS HYDROGEN VENT ARM RETURNED PLAY | HI-DEF
VIDEO: DOUBLERS TO BEEF UP CRACKED BEAMS PLAY | HI-DEF
VIDEO: HYDROGEN FITTING IS REINSTALLED PLAY | HI-DEF
VIDEO: OPENING UP TANK'S ENTRANCE DOOR PLAY | HI-DEF
VIDEO: GUCP DETACHED AND SEALS REMOVED PLAY | HI-DEF
VIDEO: BROKEN FOAM REMOVED FROM THE TANK PLAY | HI-DEF
VIDEO: VENT ARM LETS GO FROM LEAKY GUCP PLAY | HI-DEF
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Discovery's launch delayed until at least mid-December

NASA managers reviewing the progress of repairs to the shuttle Discovery's external tank and the rationale for making another launch attempt decided Wednesday to pass up an early December launch window, delaying the flight to at least Dec. 17 and possibly all the way to February.

   FULL STORY
   LAUNCH WINDOWS
   MISSION FLIGHT PLAN
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Space shuttle Discovery's launch delayed to Dec. 3

Work to repair the shuttle Discovery's external tank is going well, but more time is needed to complete an engineering review and to develop the necessary flight rationale, the justification for launching with a repaired tank after unexpected damage. As a result, NASA announced Thursday, the flight will remain on hold until at least Dec. 3, four days after the opening of a short end-of-year launch window.

   FULL STORY


Tank repairs proceed amid work on 'flight rationale'

Engineers are pressing ahead with work to repair small cracks in the shuttle Discovery's external tank and to finish installation and tests of a replacement hydrogen vent line quick-disconnect fitting that grounded the ship Nov. 5. At the same time, troubleshooters are assessing the structural integrity of the tank and its foam insulation to develop the necessary flight rationale, or justification, for proceeding with another launch as early as Nov. 30.

   FULL STORY
   IMAGES: DISCOVERY STILL WAITING


Fourth crack found on shuttle Discovery's external tank

Engineers inspecting the shuttle Discovery's external tank have found a fourth crack in the structural ribs, or stringers, making up the outer skin of the compartment between the liquid oxygen and hydrogen sections.

   FULL STORY


Second cracked stringer found in Discovery's tank

Engineers removed additional foam insulation near a cracked structural rib, or stringer, in the shuttle Discovery's external tank Friday and found yet another crack in an adjacent stringer, sources said.

   FULL STORY


Apparent seal problem found in leaking shuttle vent line

A leaking hydrogen vent line attachment fitting on the side of the shuttle Discovery's external tank was removed and disassembled overnight, revealing an unevenly compressed internal seal. The quick-disconnect hardware also may have a less concentric fit than pre-fueling measurements indicated.

   FULL STORY


Underlying metal cracks found on Discovery's tank

Cracked foam insulation on the shuttle Discovery's external tank was cut away early Wednesday, revealing serpentine cracks in an underlying structural rib, or stringer. Based on experience repairing similar cracks on other tanks, sources said, engineers believe the damage can be fixed at the pad before the next launch window opens at the end of the month.

   FULL STORY


Shuttle gaseous hydrogen vent line inspections begin

Engineers worked to disconnect a 7-inch hydrogen vent line from a leaky quick-disconnect fitting on the side of the shuttle Discovery's external tank Tuesday that grounded the ship last Friday. Disassembly of the suspect fitting was expected overnight, with troubleshooters taking in situ photographs of the hardware, double-checking its alignment and looking for any obvious signs of trouble.

   FULL STORY


Discovery troubleshooting plans being formulated

Engineers extended a launch pad access platform Monday in preparation for inspections and disassembly of a 7-inch hydrogen vent line quick-disconnect fitting to find out what caused a potentially dangerous leak that forced NASA to cancel the shuttle Discovery's planned launching last Friday.

   FULL STORY
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Shuttle Discovery's launch delayed to November 30

Friday's liftoff of space shuttle Discovery has been postponed due to a "significant" leak in the gaseous hydrogen venting system between the launch pad and external fuel tank. It's the same problem that delayed a pair of shuttle missions last year. NASA says the next launch attempt won't be made until the next window opens on November 30 at 4:05 a.m. EST.

   FULL STORY
   NASA TV SCHEDULE REV. C (.pdf download)
   ASCENT EVENTS TIMELINE
   LAUNCH COUNTDOWN
   MISSION FLIGHT PLAN
   LAUNCH WINDOWS
   SRB HISTORY


Weather postpones shuttle Discovery's final launch

The Mission Management Team met early Thursday morning and decided the weather conditions at Kennedy Space Center were too unfavorable to attempt launching space shuttle Discovery that day. The countdown will hold for 24 hours and retarget a liftoff on Friday at 3:04 p.m. EDT (1904 GMT).

   FULL STORY
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Shuttle Discovery will shoot for launch Thursday

Despite threatening weather, NASA managers Wednesday cleared the shuttle Discovery for launch Thursday on its 39th and final mission, deciding an electrical glitch that prompted a 24-hour delay was not a threat to flight safety. Liftoff was targeted for 3:29:43 p.m. EDT.

   FULL STORY
   NASA TV SCHEDULE REV. B (.pdf download)
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Shuttle Discovery's launch postponed at least a day

Wednesday's planned launch of space shuttle Discovery has been postponed at least 24 hours to give technicians additional time for troubleshooting the electrical problem with the main engine controller circuitry. A Thursday liftoff would be targeted for 3:29 p.m. EDT (1929 GMT).

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   NASA TV SCHEDULE REV. A (.pdf download)
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Mission preview: One final spaceflight for Discovery

The shuttle Discovery and a crew of six veteran astronauts are on track for launch Wednesday to deliver critical spare parts, supplies and a final U.S. module to the International Space Station. It will be Discovery's 39th and final voyage as NASA presses ahead with plans to retire the fleet after just three more missions. This is our 4,300-word mission preview.

   FULL STORY


Discovery pronounced in good shape for launch

NASA managers met Monday to review the shuttle Discovery's readiness for flight and unanimously agreed to press ahead with launch Wednesday, weather permitting, on a voyage to the International Space Station. It will be Discovery's 39th and final mission.

   FULL STORY
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Countdown clocks begin ticking for Discovery

Having resolved helium and nitrogen leaks, space shuttle Discovery's final launch countdown started this afternoon at Kennedy Space Center's Complex 39. Liftoff is targeted for Wednesday at 3:52 p.m. EDT (1752 GMT).

   FULL STORY
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Discovery launch postponed to Wednesday afternoon

Shuttle managers have decided to push back Discovery's launch an additional 24 hours, enabling technicians time to complete testing and the pressurization of Discovery's helium system before starting the countdown sequence. Liftoff is rescheduled for Wednesday at 3:52 p.m. EDT (1752 GMT).

   FULL STORY
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Cosmonaut flies resupply ship to station docking
For the 40th time in the past decade, a Russian cargo freighter has arrived at the International Space Station carrying vital supplies to feed the needs of the orbiting laboratory and its resident crews. But this docking required the intervention by one of the most experienced cosmonauts.
   FULL STORY
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Space station's spectacular views of the world below

The Expedition 25 crew working aboard the International Space Station has used the outpost's seven-windowed cupola to take amazing nighttime pictures of planet Earth. The orbital observation deck offers panoramic views for the astronaut shutterbugs to wow the public in these photos of America, Europe, Africa and the Middle East.

   FULL STORY


Helium leak repair delays launch of shuttle Discovery

The shuttle Discovery's launch on a space station resupply mission is being delayed from Monday to at least Tuesday -- election day in the United States -- to give engineers time to repair two leaking quick-disconnect fittings in pressurization systems used by the ship's right-side orbital maneuvering system rocket pod. Repairs will delay starting the countdown sequence until Saturday, pushing back Discovery's launch to Tuesday at 4:17 p.m. EDT.

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   NASA TV SCHEDULE REV. 0 (.pdf download)
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Discovery astronauts fly to Florida for Monday's launch

Six astronauts traveled from their home base in Houston to the Kennedy Space Center launch site in sleek T-38 jets Thursday afternoon, trained and ready to take shuttle Discovery for its final spaceflight. Launch remains scheduled for Monday at 4:40 p.m. EDT.

   FULL STORY
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Cargo craft begins pursuit of International Space Station

Just a week before the shuttle Discovery arrives at the International Space Station for its construction mission, a Russian resupply ship has launched to deliver a load of equipment, fuel and provisions to the orbiting science laboratory.

   FULL STORY


Shuttle Discovery cleared
for blastoff next Monday


After reviewing normal processing and weekend work to fix a small fuel leak, NASA managers Monday cleared the shuttle Discovery for an election-eve launch November 1 to begin a space station resupply mission, the orbiter's 39th and final flight.

   FULL STORY
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Seals replaced in shuttle Discovery's fuel line flange
Working through the weekend, engineers drained toxic propellants from the shuttle Discovery's orbital maneuvering system rocket pods, dried out the lines, disassembled a fuel-line flange Saturday and replaced two internal seals in a bid to stop a tiny leak.
   FULL STORY
NASA optimistic shuttle seal changeout will fix leak
Engineers geared up Thursday to drain toxic rocket fuel from the shuttle Discovery's orbital maneuvering system rocket pods before beginning weekend work to replace suspect seals in a fuel-line flange.
   FULL STORY
NASA managers order seal replacement in Discovery
Uncomfortable with an on-again, off-again leak in the plumbing used by the shuttle Discovery's maneuvering rockets, NASA managers Tuesday ordered engineers to forego additional testing and to press ahead instead with work to replace internal seals in a fuel line fitting.
   FULL STORY
Technicians working on tiny fuel leak in Discovery pod
Engineers troubleshooting a small fuel leak aboard the shuttle Discovery decided Monday to carry out additional tests before more invasive and time-consuming work to replace a suspect seal, officials said.
   FULL STORY


Discovery astronauts practice launch countdown

Shuttle Discovery's six veteran astronauts suited up and climbed aboard the spacecraft at launch pad 39A for a countdown dress rehearsal Friday. The test culminated with a simulated shutdown of the main engines at T-minus 4 seconds to practice emergency procedures.

   FULL STORY
   PRACTICE COUNTDOWN PHOTO GALLERY
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VIDEO: PRE-LAUNCH INTERVIEW WITH TIM KOPRA PLAY
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Discovery's crew takes armored tank for a spin
Space shuttle Discovery's astronauts Wednesday took turns test-driving an armored tank around Complex 39 as part of their emergency training exercises in the Terminal Countdown Demonstration Test.
   PHOTO GALLERY


Shuttle crew comes to town for practice countdown

The six astronauts to fly Discovery's final orbital voyage have jetted into the Kennedy Space Center for this week's countdown dress rehearsal with the space shuttle launch team.

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Payloads loaded aboard shuttle Discovery for launch

Space shuttle Discovery's cargo bay was filled Monday with the orbiter's final payload complement, a new module and platform that are among the last accouterments for the International Space Station after a decade of construction.

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Roomy addition for space station ready to launch

An Italian-made module that will give the International Space Station a float-in closet and help ease the outpost's storage woes arrived at the launch pad Thursday morning for loading aboard space shuttle Discovery.

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Shuttle Discovery's payloads getting packed up
The Express Logistics Carrier No. 4 for the International Space Station was loaded into the transportation canister at Kennedy Space Center this morning, bound for shipment to shuttle Discovery at launch pad 39A.
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   MISSION FLIGHT PLAN
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Photo special: Discovery on launch pad one last time

The incredible machine that is the space shuttle has been the central feature in America's space program for the past three decades. But as forced retirement looms, the orbiters are flying their final missions before becoming museum pieces. Spaceflight Now had the rare treat to visit shuttle Discovery at launch pad 39A and create this photographic collection of the venerable spaceplane.

   IMAGES: SPECIAL PHOTO GALLERY


Shuttle Discovery takes final journey to launch pad

For the last time in history, the space shuttle Discovery journeyed from Kennedy Space Center's Vehicle Assembly Building to launch pad 39A Monday night. Watch our Mission Status Center for live updates and streaming video:

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   MISSION STATUS CENTER - live updates/video!
   IMAGES: SHUTTLE AT SUNRISE
   IMAGES: DISCOVERY LEAVES ASSEMBLY BUILDING


Discovery mounted to tank and boosters for final launch

Moving a major step closer to its final spaceflight before retirement, shuttle Discovery took a road trip Thursday morning from the hangar to the nearby Vehicle Assembly Building at Kennedy Space Center for attachment to the external fuel tank and twin solid rockets. Engineers ran into trouble Friday morning with one of the main bolts that connect the orbiter to the tank, but the problem was fixed Saturday.

   DISCOVERY NOW BOLTED TO TANK
   BOLT PROBLEM DELAYING WORK
   MISSION STATUS CENTER - live updates and streaming video!
   IMAGES: DISCOVERY DEPARTS HANGAR
   IMAGES: SHUTTLE GOES VERTICAL
   IMAGES: ORBITER MEETS FUEL TANK
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VIDEO: SHUTTLE HOISTED FOR ATTACHMENT TO TANK PLAY | HI-DEF
VIDEO: CRANE ROTATES THE ORBITER VERTICALLY PLAY | HI-DEF
VIDEO: DISCOVERY DEPARTS ITS HANGAR PLAY | HI-DEF

VIDEO: TIME-LAPSE SHOWS DISCOVERY ASCENDING IN VAB PLAY
VIDEO: TIME-LAPSE SHOWS THE MOVE TO ASSEMBLY BUILDING PLAY
VIDEO: THE HISTORY OF SHUTTLE DISCOVERY PLAY

VIDEO: DISCOVERY'S MAIDEN FLIGHT: FIRST TRIP TO VAB PLAY
VIDEO: DISCOVERY'S MAIDEN FLIGHT: ROLLOUT TO PAD 39A PLAY
VIDEO: DISCOVERY'S MAIDEN FLIGHT: TEST-FIRING ENGINES PLAY
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NASA photo gallery of Discovery's ground moves

This photo collection documents space shuttle Discovery's move from the Orbiter Processing Facility hangar to the Vehicle Assembly Building, going vertical and mating to external fuel tank, plus an internal view of the attachment bolt that had a problematic nut.

   ENTER PHOTO GALLERY


Spacewalk to tidy up station deferred to shuttle crew

In the wake of a three-spacewalk coolant pump replacement, space station managers decided this week to defer additional maintenance work until the next shuttle crew arrives in November.

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   REVISED FLIGHT PLAN
   EARLIER SPACEWALK COVERAGE
Maneuvering engine attached to Discovery
Workers installed the shuttle Discovery's right-side Orbital Maneuvering System pod Thursday at the Kennedy Space Center after replacing a faulty helium valve.
   FULL STORY AND PHOTO GALLERY
United Space Alliance announces shuttle layoffs
With only two shuttle flights remaining on NASA's manifest, prime contractor United Space Alliance plans to lay off about 15 percent of its 8,100-strong space shuttle workforce Oct. 1, company officials announced Tuesday.
   FULL STORY
New launch dates targeted for remaining shuttles
After assessing payload processing issues and projected traffic to and from the International Space Station, NASA managers Thursday formally retargeted the program's final two missions for launches Nov. 1 and Feb. 26.
   FULL STORY


NASA begins review of shuttle launch date changes

NASA managers Tuesday asked shuttle engineers to assess retargeting the final two space shuttle missions, moving launch of a mid-September flight with Discovery to Oct. 29 and a late November flight by Endeavour to Feb. 28. The changes would give engineers more time to optimize payloads bound for the International Space Station and avoid launch conflicts with other flights to the lab complex.

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Discovery gets three main engines for last launch

Three main engines were attached to the shuttle Discovery earlier this week to power the orbiter's last launch this fall. Spaceflight Now captured these views of the task of installing the hydrogen-fueled engines on the back of the shuttle.

   IMAGES: ENGINE BOLTED TO SHUTTLE
   IMAGES: DISCOVERY RECEIVES FINAL ENGINE
Oil spill sits in route of shuttle external fuel tank
The oil slick threatening the Gulf Coast is throwing a wrench into NASA's plans to transport a new shuttle fuel tank from Louisiana to Florida this week. The external tank will fly on the shuttle Discovery's mission in September.
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Final Shuttle Mission Patch

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The crew emblem for the final space shuttle mission is now available in our store. Get this piece of history!
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STS-134 Patch

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The final planned flight of space shuttle Endeavour is symbolized in the official embroidered crew patch for STS-134. Available in our store!
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Ares 1-X Patch
The official embroidered patch for the Ares 1-X rocket test flight, is available for purchase.
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Apollo Collage
This beautiful one piece set features the Apollo program emblem surrounded by the individual mission logos.
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Project Orion
The Orion crew exploration vehicle is NASA's first new human spacecraft developed since the space shuttle a quarter-century earlier. The capsule is one of the key elements of returning astronauts to the Moon.
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Fallen Heroes Patch Collection
The official patches from Apollo 1, the shuttle Challenger and Columbia crews are available in the store.
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