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STS-1 crew looks back
In this highly entertaining program, commander John Young and pilot Bob Crippen of the first space shuttle crew tell stories and memories from STS-1. The two respected astronauts visited Kennedy Space Center on April 6 to mark the upcoming 25th anniversary of Columbia's maiden voyage.

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STS-41G crew film
The October 1984 flight of space shuttle Challenger featured a diverse set of accomplishments. The Earth Radiation Budget Satellite environmental spacecraft was deployed and a planet-mapping radar was tested. The seven-person crew was led by Bob Crippen and included the first Canadian in space, Marc Garneau, and the first time two women, Sally Ride and Kathryn Sullivan, had flown aboard one flight. Sullivan and Dave Leestma also conducted a spacewalk to demonstrate techniques for refueling satellites. The crew narrates this post-flight film of STS-41G.

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STS-37 anniversary
On April 5, 1991, space shuttle Atlantis lifted off from Kennedy Space Center carrying the Compton Gamma Ray Observatory -- NASA's second Great Observatory. Launch occurred at 9:23 a.m. from pad 39B.

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Crew news conference
The combined Expedition 12 and 13 crews, along with visiting Brazilian astronaut Marcos Pontes, hold this in-flight news conference with reporters in Houston, Cape Canaveral and Moscow on April 3. The crews are handing over duties during this week-long handover before Expedition 12 returns to Earth from the space station.

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Soyuz docking
The Russian Soyuz TMA-8 spacecraft carrying the Expedition 13 resident crew successfully docks to the Zarya module of the International Space Station under automated control.

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Next station crew
Full coverage of the Expedition 13 crew's launch aboard a Russian Soyuz spacecraft to begin a six-month mission aboard the International Space Station.

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Solar eclipse from ISS
External cameras on the International Space Station captured this incredible footage of the March 29 solar eclipse. The station flew through the eclipse over the Middle East as the moon passed in front of the sun and cast its shadow on the Earth.

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Total solar eclipse
A total solar eclipse occurred March 29. This video from Side, Turkey shows the period of totality when the moon slid between the Earth and Sun. The eclipse revealed the Sun's glowing outer halo of million-degree gas, called the solar corona.

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Dawn mission reborn
In early March, NASA cancelled its Dawn mission built to orbit two of the solar system's largest asteroids using ion engine propulsion. Technical problems and cost overruns were blamed. But in this news conference from March 27, agency officials announce NASA's decision to reverse the cancellation and restart the mission.

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CEV planning
Lockheed Martin holds this news conference in Houston on March 24 to announced that it is partnering with the State of Texas to locate the Crew Exploration Vehicle (CEV) program office in Houston, as well as systems engineering, software development and qualification testing, if the corporation wins the NASA contract to build the next generation spacecraft for NASA.

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Expedition 12 recap
As the Expedition 12 mission aboard the International Space Station winds down, officials managing the flight from Mission Control in Houston hold this retrospective briefing to talk about the highs and lows, the science, the spacewalks and everything in between.

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Expedition 13 preview
International Space Station officials preview the next Expedition mission to the orbiting outpost, which is scheduled for launch March 29. The preview was given during a briefing March 22 from Johnson Space Center.

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Pegasus XL launches IRIS
Pegasus launch puts solar research craft in orbit
The newest spacecraft to launch in NASA's oldest program -- the Explorer project that dates back to America's first satellite -- was propelled into Earth orbit Thursday night by an air-launched rocket off the coast of California.
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VIDEO: PEGASUS ROCKET SOARS WITH IRIS HI-DEF
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VIDEO: IRIS SPACECRAFT PRE-LAUNCH PREPARATIONS HI-DEF
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Pegasus XL launches NuSTAR
Air-launched Pegasus boosts NASA telescope
NASA's NuSTAR satellite rocketed into orbit Wednesday aboard an Orbital Sciences Pegasus XL vehicle for its X-ray astronomy mission to gaze at the remnants of exploded stars, study the extreme physics around black holes and observe our own Sun's corona.
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   MISSION STATUS CENTER - live updates!
   VIDEO: INTERVIEW WITH L-1011 AIRCRAFT CREW
   IMAGES: TAKEOFF PHOTO GALLERY
   IMAGES: TOUR OF THE L-1011 CARRIER JET
   ARCHIVE: EARLIER STORY ON VAFB DEPARTURE
   PDF: NASA PRESS KIT
   OUR PEGASUS ARCHIVE
Pegasus XL launches IBEX
New satellite to study solar system's distant frontier
A small eight-sided satellite has marked the start of a two-year mission of long-distance exploration to study the little-known boundary between the solar system and the galaxy beyond.
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Pegasus XL launches C/NOFS
Satellite launched to predict communication outages
An experimental Air Force satellite designed to monitor the Earth's ionosphere and foresee impending communication disruptions was successfully deployed into space on April 16, 2008 by an Orbital Sciences air-launched Pegasus rocket.
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Pegasus XL launches AIM
Satellite to unveil secrets of Earth's highest clouds
NASA launched a clue-seeking satellite on April 25, 2007 to track eerily mysterious clouds at the threshold of space that some scientists believe are the harbingers of global climate change.
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VIDEO: AIM LAUNCHED ABOARD PEGASUS ROCKET PLAY
VIDEO: LONGER LENGTH MOVIE OF ENTIRE FLIGHT TO ORBIT PLAY
VIDEO: POST-FLIGHT INTERVIEW WITH NASA LAUNCH MANAGER PLAY

VIDEO: NARRATED MOVIE OF AIM'S PRE-FLIGHT PREPARATIONS PLAY
VIDEO: NARRATED MOVIE OF PEGASUS' LAUNCH CAMPAIGN PLAY
VIDEO: PRE-LAUNCH NEWS CONFERENCE PLAY
VIDEO: AIM MISSION SCIENCE PREVIEW PLAY
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Pegasus XL launches ST 5
Tiny probes launched to test advanced technologies
Three trail-blazing satellites were fired into Earth orbit March 22, 2006 to prove if TV-sized probes can serve as formation-flying buoys for monitoring the weather of space and the enormous storms spawned by the sun.
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VIDEO: MORNING DEPARTURE FROM VANDENBERG PLAY
VIDEO: LAUNCH PREPS FOR SECOND ATTEMPT PLAY

VIDEO: WATCH AS FIRST LAUNCH ATTEMPT IS ABORTED PLAY
VIDEO: THE L-1011 CARRIER AIRCRAFT DEPARTS FOR LAUNCH PLAY
VIDEO: FIRST TAXI TO THE RUNWAY FOR TAKEOFF PLAY
VIDEO: THE PRE-LAUNCH NEWS BRIEFING DIAL-UP | BROADBAND
VIDEO: SPACE TECH 5 MISSION PREVIEW DIAL-UP | BROADBAND
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Pegasus XL launches DART
NASA space autopilot test suffers crippling flaw
NASA's $110 million high-risk, high-tech demonstration of a space autopilot for future human spaceships and robotic cargo craft closed within 300 feet of its target April 15, 2005, then inexplicably ran out of fuel to the dismay of helpless engineers on the ground.
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VIDEO: L-1011 CARRIER JET TAKES OFF FROM VANDENBERG QT
VIDEO: PEGASUS ROCKET LAUNCHES DART SHORT | FULL LENGTH
VIDEO: POST-LAUNCH COMMENTS FROM NASA MANAGER QT
VIDEO: NARRATED FOOTAGE OF PRE-FLIGHT CAMPAIGN QT
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Pegasus XL launches SciSat 1
Canada's ozone research project launched into space
A Canadian endeavor to study the chemistry of Earth's atmosphere and the fragile ozone layer was successfully propelled into space August 12 by an air-launched rocket.
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   VIDEO: 11-MINUTE REPLAY OF PEGASUS LAUNCHING SCISAT QT
   VIDEO: POST-FLIGHT COMMENTS FROM NASA LAUNCH MANAGER QT

   VIDEO: PEGASUS XL ROCKET IS ASSEMBLED FOR THIS LAUNCH QT
   VIDEO: FOOTAGE OF SCISAT 1 UNDERGOING PROCESSING AT VAFB QT
   VIDEO: ROCKET'S NOSE CONE INSTALLED AROUND SCISAT 1 QT
   VIDEO: PEGASUS IS ROLLED OUT AND MATED TO CARRIER JET QT
   VIDEO: CARRIER AIRCRAFT TAKES OFF FOR LAUNCH OF PEGASUS QT
   VIDEO: WATCH MONDAY'S PRE-LAUNCH NEWS CONFERENCE QT
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Pegasus XL launches OrbView 3
Commercial Earth imager launched into space
A commercial satellite that will snap sharp photos of Earth's surface soared into space June 26, boosting a Virginia-based company's hopes of establishing a foothold in the high-resolution imaging business.
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   AUDIO: LAUNCH TEAM GIVES PLAY-BY-PLAY CALL OF THE FLIGHT QT
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Pegasus XL launches GALEX
Satellite launched to trace the evolution of galaxies
A diminutive satellite with a monumental goal of mapping the history of star formation in a million galaxies streaked into space April 28 atop an air-launched rocket booster.
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   VIDEO: L-1011 CARRIER JET TAKES OFF FROM CAPE QT
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   VIDEO: POST-FLIGHT COMMENTS BY NASA LAUNCH MANAGER QT
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Pegasus XL launches SORCE
Air-launched rocket gives boost to climate research
Cruising about 39,000 feet above the open waters of the Atlantic, an air-launched Pegasus rocket was dropped from the belly of a carrier jet January 25, 2003 to blast a science satellite into orbit to study the Sun's influence on Earth's environment.
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   VIDEO: WATCH ENTIRE 11-MINUTE LAUNCH OF PEGASUS QT or RV
   VIDEO: TAXI OF ORBITAL CARRIER AIRCRAFT TO RUNWAY QT or RV
   VIDEO: L-1011 CARRIER JET TAKES OFF FROM CAPE QT or RV
   VIDEO: T-38 DEPARTS THE KENNEDY SPACE CENTER QT or RV
   VIDEO: AERIAL INSPECTION BY T-38 CHASE PLANE QT or RV
   VIDEO: POST-LAUNCH COMMENTS BY NASA MANAGER QT or RV
   VIDEO: PRE-LAUNCH NEWS CONFERENCE QT or RV
   VIDEO: AN OVERVIEW OF THE SORCE PROJECT QT or RV
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Pegasus XL launches HESSI
Solar explorer successfully launched by Pegasus rocket
After a 19-month delay, NASA's HESSI spacecraft was finally lofted into orbit February 5, 2002 aboard an air-launched Pegasus rocket, but not without a hiccup in the countdown that forced officials to abort one attempt before succeeding a second time around.
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Pegasus
Hybrid Pegasus launches HETE 2
Pegasus rocket launches NASA science probe
An Orbital Sciences air-launched Pegasus rocket successfully lofted NASA's High Energy Transient Explorer 2 spacecraft October 9, 2000 to seek out gamma ray bursts -- the most powerful explosions in the universe.
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Carrier jet
Pegasus XL launches TSX 5
Air-launched Pegasus orbits U.S. Air Force mission
Orbital Sciences launched a Pegasus XL rocket on June 7, 2000 off the coast of California, placing an experimental research satellite into orbit for the U.S. Air Force.
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   LAUNCH PREVIEW STORY
TSX-5 patch
Pegasus XL/HAPS launches ORBCOMMs
Pegasus rocket launches carrying seven satellites
A Pegasus XL rocket successfully launched seven data relay satellites for the ORBCOMM communications network December 4, 1999. ORBCOMM now has 35 satellites in space.
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   LAUNCH PHOTO GALLERY
ORBCOMM