Endeavour's onboard camera shows the external fuel tank falling away following a picture-perfect launch on Monday.
updated 5/17/2011 11:48:17 AM ET 2011-05-17T15:48:17

The astronauts aboard the space shuttle Endeavour performed an intensive scan of their orbiter's sensitive heat shield tiles today to make sure they didn't incur any damage during liftoff.

Endeavour launched toward the space station Monday from the Kennedy Space Center in Cape Canaveral, Fla., in a spectacular morning liftoff that began the shuttle's last-ever mission before it is retired later this year along with the rest of NASA's fleet. The shuttle is now chasing the International Space Station to deliver a major space experiment and other supplies.

"Once we got onto orbit, the crew had about five hours of timeline, mostly converting the vehicle from a launch vehicle to orbiting spacecraft and to get the robotic arm checked out in preparation for today's survey," space shuttle lead flight director Gary Horlacher  said in a briefing Tuesday.

Today's heat shield inspection began around 3:41 a.m. EDT and took the shuttle's six-man crew more than five hours to complete.

"It's good to be waking up in space again," Endeavour's commander Mark Kelly said today as Mission Control roused his crew in the wee hours with the song "Beautiful Day" by U2. The song was picked for Kelly by his daughters Claudia and Claire, and his wife, Gabrielle Giffords, an Arizona congresswoman who was shot in the head during a January attack but recovered enough to watch her husband soar into space yesterday morning.

"I want to thank Gabby, Claudia and Claire for that great wakeup song," Kelly said. "It's always good to hear. Here's to a beautiful day in space!"

Heat shield inspection under way

Kelly and his crew awoke at 11:56 p.m. EDT Monday night and had a busy day of spacecraft inspections ahead. The astronauts used the space shuttle's robotic arm to closely examine the heat shield panels along the shuttle's wing edges and nose cap for any signs of damage from falling debris during launch.

Endeavour is flying a 16-day mission to the International Space Station to deliver and install a sophisticated cosmic ray detector, called the Alpha Magnetic Spectrometer, and a slew of supplies for the orbiting outpost. The shuttle is due to arrive at the station Wednesday at around 6:15 a.m. EDT.

Heat shield surveys have been a standard part of every NASA shuttle flight since the tragic 2003 loss of the shuttle Columbia and its crew. NASA traced the disaster to a piece of foam insulation that fell from Columbia's fuel tank and struck the shuttle's heat shield along its left wing.

Since then, NASA has kept a close watch on shuttle heat shield health during missions. Several inspections, by robotic arms and cameras, are performed on each flight.

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Shortly after Endeavour's launch, NASA officials said cameras on the shuttle's external tank showed two small pieces of foam shaking loose during the ascent, but that the incidents were not likely to be a problem.

"Those were very small losses; they didn't look like they went anywhere near the orbiter," said Bill Gerstenmaier, associate administrator for space operations. "Those looked like they're no problem to us at all. The tank performance was probably better than I expected."

Endeavour's crew members used sensors on a 50-foot inspection pole attached to the end of the shuttle's robotic arm to inspect the spacecraft. Images and video will be subsequently relayed to NASA's mission control center in Houston for engineering review.

"The ride to orbit went great, all the imagery we took today is looking really good too," Horlacher said. "I'm not aware of any concerns on the vehicle. We expect to hear initial feedback probably as soon as the crew goes to sleep tomorrow. Hopefully we'll get indication that a focused inspection won't be necessary."

Endeavour's final voyage
Endeavour lit up the morning sky Monday when it lifted off at 8:56 a.m. EDT from Launch Pad 39A at the Kennedy Space Center in Cape Canaveral, Fla.

"The vehicle looked very good going uphill," Gerstenmaier said.

Endeavour's STS-134 flight is the second-to-last mission of NASA's 30-year space shuttle program and is the 25th spaceflight of Endeavour itself. The agency has one final mission – Atlantis' STS-135 flight in July – before the three-orbiter fleet is retired.

You can follow senior writer Clara Moskowitz on Twitter @ClaraMoskowitz.Visit for complete coverage of Endeavour's final mission STS-134 or follow us @Spacedotcom and on Facebook.

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Video: Space shuttle Endeavour lifts off for last time

  1. Closed captioning of: Space shuttle Endeavour lifts off for last time

    >> center after a two-week delay, the space shuttle "endeavour" took off for the last time with mark kelly in the commander's seat and his wounded wife watching on the ground. tom costello is at the kennedy space center tonight. good evening.

    >> reporter: a windy one at that. gabby giffords ' staff said she's still not fully aware of everything that happened in tucson in january, but she's very aware of her husband's mission and she was determined to be here for it.

    >> three, two, one. zero, and liftoff for the final launch of "endeavour."

    >> in typically spectacular fashion, it roared off the pad just past 10:00 , breaking through cloud cover and racing for a rendezvous with the space station . these dramatic photos taking by a passenger in a commercial plane in the air at the time. waunching the launch from a private viewing area at the cape, shuttle commander mark kelly 's wife, gabby giffords , still recovering from a head wound suffering in january's shooting rampage in tucson. her chief of staff was with her.

    >> she turned to me said and, good stuff. i said, yeah, this is good stuff. this is like, finally, we have arrived at his launch date.

    >> reporter: moments before liftoff, he spoke to the millions cheering on his crew.

    >> including our spouses, children, family and friends, we thank you for your support.

    >> reporter: once the shuttle was in orbit, mark kelly delivered tulips to giffords on behalf of mark and roses to his two daughters. meanwhile, he sent a handwritten note to be read by giffords when he was in space.

    >> the fact that gabby was able to come down here speaks to the triumph of good over evil. and just her resilience and her dedication and motivation is an example that the country ought to try to follow.

    >> reporter: "endeavour's" 24th miz will deliver spare parts to the space station . on the nearby roads and beaches, half a million spectators gathered to witness "endeavour's" final mission and a story of love, dedication, and triumph. sxoo every one of the crew members on board is wearing one of these in space. it's a bracelet that says peace, love, and gabby. and mark kelly has taken into space gabby's wedding ring , and she has his on earth. and finally tonight, brian, an update from gabby giffords ' staff. her next major medical hurdle will be to replace a portion of the skull that was taken off in january during the tragedy. back to you.

    >> beautiful evening down at the

Photos: The life of space shuttle Endeavour

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  1. Special delivery

    Endeavour was the last space shuttle to join NASA's fleet: It was built to replace the shuttle Challenger, which was lost in an explosion shortly after launch in 1986. This view shows Endeavour perched atop a modified Boeing 747 on May 2, 1991, beginning the ferry flight from Palmdale, Calif. - where the shuttle was built - to Kennedy Space Center in Florida. (NASA) Back to slideshow navigation
  2. First liftoff

    Endeavour lifts off from Launch Pad 39B at NASA's Kennedy Space Center on May 7, 1992, beginning its first mission. The STS-49 mission's primary task was the repair of the Intelsat VI telecommunications satellite. Endeavour was the only shuttle to make its maiden flight from Pad 39B. (NASA) Back to slideshow navigation
  3. Grab that satellite!

    Endeavour astronauts Richard Hieb, Thomas Akers and Pierre Thuot hold onto the 4.5-ton Intelsat VI satellite after making a six-handed "capture" on May 13, 1992. The satellite failed to rise above low Earth orbit when it was launched in 1990. During Endeavour's maiden mission, astronauts retrieved the satellite, attached it to a new upper-stage booster and relaunched it to its intended geosynchronous orbit. This mission marked the first time that three people from the same spacecraft walked in space at the same time. (NASA) Back to slideshow navigation
  4. Science in space

    Endeavour astronauts Jan Davis, left, and Mae Jemison prepare to deploy the lower body negative pressure apparatus on Sept. 15, 1992. Scientific research was the main focus of this Spacelab-J mission, also known as STS-47. The mission's crew included the first African-American woman to fly in space (Mae Jemison) and the only husband-and-wife team to go into space together (Jan Davis and Mark Lee). (NASA) Back to slideshow navigation
  5. Fixing Hubble

    Astronauts flew on Endeavour to take on the first Hubble servicing mission in December 1993. In this picture, spacewalkers Story Musgrave and Jeffrey Hoffman perform an orbital ballet. The coastline of western Australia is visible below. The complex and highly successful repair mission allowed Hubble, which was launched with a defective mirror, to see into the universe with unprecedented clarity. (NASA) Back to slideshow navigation
  6. Building the station

    Endeavour spacewalker Jim Newman holds onto the International Space Station's Unity connecting module as he removes covers and works on connecting cables on Dec. 7, 1998. The STS-88 flight marked the shuttle fleet's first space station assembly mission. (AFP/Getty Images) Back to slideshow navigation
  7. Erroneous endeavor

    The shuttle Endeavour sits on its launch pad at Kennedy Space Center in Florida on July 11, 2007. "Endeavor" is spelled incorrectly on the banner. The shuttle was named after the HMS Endeavour, the British sailing ship that carried Captain James Cook on his first voyage of discovery from 1768 to 1771. That's why Endeavour reflects the British spelling of the word. (Eliot J. Schechter / Getty Images) Back to slideshow navigation
  8. Spacewalkers at work

    During the first spacewalk of the STS-118 mission, on Aug. 11, 2007, astronaut Rick Mastracchio and Canada's Dave Williams (out of frame) attach a new segment of the International Space Station's truss and retract a collapsible radiator. (NASA) Back to slideshow navigation
  9. Class portrait

    The crew members of Endeavour's STS-118 crew pose for their official portrait on Aug. 8, 2007. From left are Rick Mastracchio, Barbara Morgan, pilot Charles Hobaugh, mission commander Scott Kelly, Tracy Caldwell, Canadian astronaut Dave Williams and Alvin Drew. During this flight, Morgan became the first educator astronaut to go into orbit. In 1986, she was the backup for Christa McAuliffe, the New Hampshire teacher who died in the Challenger explosion. (NASA) Back to slideshow navigation
  10. Great view

    Endeavour spacewalker Rick Mastracchio relocates communications equipment on the International Space Station during an outing on Aug. 15, 2007. (NASA) Back to slideshow navigation
  11. A gouge in the tiles

    Tiles on the underside of the space shuttle Endeavour show evidence of damage in a photo taken on Aug. 12, 2007, using the shuttle's robotic arm and a camera-tipped extension boom. The close-up imagery helped mission managers determine that the gouge would pose no threat during Endeavour's atmospheric re-entry. (NASA via AP) Back to slideshow navigation
  12. Eye of the hurricane

    Crew members aboard the shuttle Endeavour captured this picture of Hurricane Dean's eye in the Caribbean on Aug. 18, 2007. The STS-118 mission ended on Aug. 21, one day earlier than planned, to avoid potential complications due to the storm. Forecasters worried that Hurricane Dean could have swept over Houston around the time of landing - but in the end, the storm took a different course. (NASA) Back to slideshow navigation
  13. In control

    NASA Administrator Michael Griffin watches the liftoff of the space shuttle Endeavour from the Launch Control Center at NASA's Kennedy Space Center on Nov. 14, 2008. The STS-126 mission delivered two spare bedrooms as well as a second kitchen and bathroom to the International Space Station. (Bill Ingalls / NASA) Back to slideshow navigation
  14. Repairs at the pad

    Workers perform repairs on the shuttle Endeavour's external fuel tank at the Kennedy Space Center launch pad on June 14, 2009. The launch team detected a leak of hydrogen fuel from the tank, forcing a delay in Endeavour's STS-127 launch. The mission's main task was the delivery of the final segment of Japan's Kibo laboratory to the International Space Station. (Tim Jacobs / NASA) Back to slideshow navigation
  15. Lightning strikes

    A giant bolt of lightning hits Endeavour's Florida launch pad on July 10, 2009. Technical problems and severe weather forced five delays in Endeavour's STS-127 launch. (Gene Blevins / Zuma Press) Back to slideshow navigation
  16. Liftoff at last!

    The space shuttle Endeavour rises from Kennedy Space Center's Launch Pad 39A on July 15, 2009, on the STS-127 mission's sixth launch attempt. (NASA) Back to slideshow navigation
  17. Parting glance

    The space shuttle Endeavour is photographed from the International Space Station soon after its departure on July 28, 2009. A Soyuz spacecraft docked at the station is visible in the foreground. (NASA) Back to slideshow navigation
  18. Twilight of the shuttle

    The shuttle Endeavour is silhouetted against different layers of the sunlit atmosphere during its approach to the International Space Station on Feb. 9, 2010. The primary payloads for Endeavour's STS-130 mission were the Tranquility module and the Cupola observation deck and control station. (NASA) Back to slideshow navigation
  19. Check out this view!

    Astronaut George Zamka, Endeavour's commander for the STS-130 mission, peeks out a window of the International Space Station's newly installed Cupola observation deck on Feb. 19, 2010. The Cupola provides an unparalleled view of Earth below. (NASA) Back to slideshow navigation
  20. Tanks for the memories

    The external fuel tank for Endeavour's final mission, STS-134, is transported to the Vehicle Assembly Building at the Kennedy Space Center in Florida on July 14, 2010. STS-134's main payload is the $2 billion Alpha Magnetic Spectrometer, an international physics experiment. (John Raoux / AP) Back to slideshow navigation
  21. The view from above

    The space shuttle Endeavour is lowered into place for attachment to its external fuel tank and solid rocket boosters in the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida on March 1, 2011. (NASA via Getty Images) Back to slideshow navigation
  22. Greeting the day

    The sun rises as photographers gather on a hill to take pictures shortly after the shuttle Endeavour's arrival at Kennedy Space Center's Launch Pad 39A on March 11, 2011. (Roberto Gonzalez / Getty Images) Back to slideshow navigation
  23. Into the clouds

    Photographers track the space shuttle Endeavour's ascent as it pierces the clouds and disappears after launch from NASA's Kennedy Space Center in Florida on May 16. (Craig Rubadoux / Daytona Beach News-Journal via AP) Back to slideshow navigation
  24. Godspeed, Endeavour!

    Spectators react as the space shuttle Endeavour lifts off from NASA's Kennedy Space Center in Florida on May 16. Hundreds of thousands of people watched the start of the next-to-last space shuttle flight. (Scott Audette / Reuters) Back to slideshow navigation
  25. Above the clouds

    Stefanie Gordon captured this remarkable picture of the space shuttle Endeavour rising above Florida's cloud cover on May 16 while she was on a commercial flight from New York to Palm Beach, Fla. (Stefanie Gordon / for Back to slideshow navigation
  26. The last spacewalk

    NASA astronaut Greg Chamitoff holds a handrail during the fourth and last spacewalk conducted by the shuttle Endeavour's crew at the International Space Station on May 27. Chamitoff and astronaut Michael Fincke (visible in the reflections from Chamitoff's helmet visor) transferred an inspection boom system, completing U.S. assembly of the station. The May 27 outing marked the last scheduled spacewalk to be conducted by a space shuttle crew. (Nasa T.V. via EPA) Back to slideshow navigation
  27. Night passage

    Backdropped by a nighttime view of Earth and the starry sky, the space shuttle Endeavour is seen docked to the International Space Station on May 28. (NASA via Reuters) Back to slideshow navigation
  28. Landing in the dark

    The space shuttle Endeavour lands for the last time at NASA's Kennedy Space Center in Florida on June 1, 2011. The touchdown capped Endeavour's 16-day mission to deliver a $2 billion science experiment to the International Space Station on NASA's next-to-last shuttle flight. (Joe Skipper / Reuters) Back to slideshow navigation
  29. Blastoff into history

    A NASA poster pays tribute to Endeavour and its space missions over the past two decades. The shuttle is shown rising to orbit, with patches for each of its missions laid out in a spiral. The HMS Endeavour, which inspired the spaceship's name, is shown at lower right. At upper left, pictures of Endeavour are framed in the windows of the Cupola. The background image depicts the nebula NGC 602 as seen by the Hubble Space Telescope, which was first serviced by Endeavour in 1993. (NASA) Back to slideshow navigation
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