The shuttle Atlantis closed out its 32nd and final planned mission with a smooth Florida landing Wednesday, wrapping up a quarter century of service with a successful space station assembly mission.

Credit: Stephen Clark Spaceflight Now

Approaching from the south, commander Kenneth Ham took over manual control at an altitude of 50,000 feet above the spaceport and guided Atlantis through a 320-degree right turn to line up on runway 33.

Diving at a steep 21-degree angle, Ham pulled the nose up, pilot Dominic "Tony" Antonelli deployed the main landing gear and Atlantis settled to a tire-smoking, on-time touchdown at 8:48:11 a.m. EDT.

"And Houston, Atlantis, we have wheels stopped," Ham radioed after Atlantis rolled to a stop.

"Hock, that landing was something that your Air Force crewmates should have really been proud of, that looked pretty sweet," astronaut Charles Hobaugh, a Marine, joked from mission control.

"For you and your crew, that was a suiting end to an incredible mission," he said. "I'm sure the station crew members hated to see you leave, but we're glad to have you back. You guys executed flawlessly and not only that, you had a great time doing it. That was very evident from the ground. Everybody down here really enjoyed working with you."

Mission duration was 11 days, 18 hours, 28 minutes and two seconds for a voyage spanning 186 complete orbits and 4.9 million miles since blastoff May 14 from nearby pad 39A.

Ham, Antonelli, flight engineer Michael Good, Stephen Bowen, Piers Sellers and Garrett Reisman were expected to join NASA managers and engineers on the runway for a traditional walk-around inspection before heading back to crew quarters for reunions with friends and family members. All six are scheduled to fly back to Houston Thursday.

Credit: NASA

Touchdown marked a bittersweet moment for scores of engineers and technicians awaiting Atlantis' return. With only two flights remaining on NASA's manifest, every flight now means a final voyage for one of the agency's three space shuttles.

Discovery is up next, scheduled for launch in September or October, followed by Endeavour late this year or early next on what is currently planned as the shuttle program's final mission.

While Atlantis is not scheduled to fly again, it will be processed for launch on a possible rescue mission if Endeavour experiences a major problem that might prevent a safe re-entry.

NASA managers are holding out hope the Obama administration will approve a final flight for Atlantis to take advantage of an external tank and booster set that otherwise would go to waste.

By launching with a reduced crew of four, a rescue flight would not be needed because the astronauts could seek safe haven aboard the space station and use Russian Soyuz capsules for eventual return to Earth.

But it's not yet clear whether NASA will win approval for an additional flight - a decision is expected later this summer - and as it now stands, Atlantis' next stop is a museum.

"Atlantis has been on 32 flights now," Good said before re-entry. "She's been to many different destinations. ... She's well traveled and she's served many of us well. We look forward to bringing her home safe and going to visit her some day (in a museum) on the ground. So from the entire crew, from STS-132, thanks to Atlantis and all the folks who have worked on her over the years."

First launched in October 1985, Atlantis flew five military missions, made seven flights to the Russian Mir space station and 11 to the International Space Station. It launched two planetary probes - Magellan to Venus and Galileo to Jupiter - deployed the Compton Gamma Ray Observatory and visited the Hubble Space Telescope for a final overhaul last year.

Credit: NASA

"It's a real honor to be among the 191 crew members that have flown on Atlantis in her over 300 days in orbit, 120 million miles," Bowen said. "Atlantis is actually named after a ship of research and discovery from a place I happened to study, Woods Hole Oceanographic Institute. And she has definitely lived up to her name."

Said Sellers: "I hope that when she lands successfully, that she goes somewhere and gets the respect she deserves as a ship of exploration. People like to visit ships like the Constellation, the Constitution, see where they've been and what they've done. And Atlantis is one of that line."

Ham, Antonelli, Good, Bowen, Piers Sellers and Garrett Reisman blasted off from pad 39A on May 14.

During a week of docked operations at the International Space Station, the astronauts installed a new Russian module and carried out three spacewalks to install a backup Ku-band antenna, a robot arm equipment mounting platform and six new solar array batteries.

They also delivered some three tons of supplies and 1,300 pounds of fresh water generated by the shuttle's fuel cells.

With Atlantis back on the ground, the space station crew is gearing up for the upcoming departure of Expedition 23 commander Oleg Kotov, NASA flight engineer Timothy Creamer and Japanese astronaut Soichi Noguchi, who are wrapping up six months in space.

Kotov, Creamer and Noguchi are scheduled to land in Kazakhstan aboard the Soyuz TMA-17 spacecraft around 11:27 a.m. EDT on June 1. They will be replaced aboard the station by Douglas Wheelock, Shannon Walker and cosmonaut Fyodor Yurchikhin, scheduled for launch aboard the Soyuz TMA-19 spacecraft around 5:35 p.m. on June 15.

The final planned flight of space shuttle Atlantis is symbolized in the official embroidered crew patch for STS-132. Available in our store!
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