Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this handout image provided by the National Aeronautics and Space Administration (NASA), NASA astronaut Sandy Magnus, STS-135 mission specialist, gets one last visit to the Cupola onboard the International Space Station before the two spacecraft undocked July 18, 2011 in space. Space shuttle Atlantis is on the last leg of a 12-day mission to the International Space Station where it delivered the Raffaello multi-purpose logistics module packed with supplies and spare parts. This was the final mission of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this video screen grab provided by the National Aeronautics and Space Administration (NASA), NASA space shuttle Atlantis begins a scan of its thermal protection system shortly after undocking from the International Space Station July 19, 2011 in space. Space shuttle Atlantis is on the last leg of a 12-day mission to the International Space Station where it delivered the Raffaello multi-purpose logistics module packed with supplies and spare parts. This was the final mission of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this handout image provided by the National Aeronautics and Space Administration (NASA), NASA space shuttle Atlantis' cargo bay holds the Raffaello multi-purpose logistics module seen from the International Space Station before the two spacecraft undocked July 18, 2011 in space. Space shuttle Atlantis is on the last leg of a 12-day mission to the International Space Station where it delivered the Raffaello multi-purpose logistics module packed with supplies and spare parts. This was the final mission of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this handout image provided by the National Aeronautics and Space Administration (NASA), space shuttle Atlantis STS-135 crew, NASA astronauts Chris Ferguson, Doug Hurley, Sandy Magnus and Rex Walheim; the Expedition 28 or station crew members JAXA astronaut Satoshi Furukawa, NASA astronauts Ron Garan and Mike Fossum, and Russian cosmonauts Andrey Borisenko, Alexander Samokutyaev and Sergei Volkov pose for a photo Inside the Zvezda service module on the International Space Station July 16, 2011 in space. Space shuttle Atlantis is on the last leg of a 12-day mission to the International Space Station where it delivered the Raffaello multi-purpose logistics module packed with supplies and spare parts. This was the final mission of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this handout image provided by the National Aeronautics and Space Administration (NASA), NASA astronaut Mike Fossum, Expedition 28 flight engineer, makes a self portrait of himself through his helmet visor with the International Space Station in the background during a planned six-and-a-half-hour spacewalk July 12, 2011 in space. This is the 160th spacewalk devoted to station assembly and maintenance since construction began in 1998. Space shuttle Atlantis has embarked on a 12-day mission to the International Space Station where it will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts. This was the final mission of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this handout image provided by the National Aeronautics and Space Administration (NASA), NASA astronaut Mike Fossum, Expedition 28 flight engineer, waits at an International Space Station's pressurized mating adapter (PMA-2) docked to the space shuttle Atlantis, as the station's robotic system moves the failed pump module (out of frame) over to the spacewalking astronaut and the shuttle's cargo bay during a planned six-and-a-half-hour spacewalk July 12, 2011 in space. This is the 160th spacewalk devoted to station assembly and maintenance since construction began in 1998. Space shuttle Atlantis has embarked on a 12-day mission to the International Space Station where it will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts. This was the final mission of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this handout image provided by the National Aeronautics and Space Administration (NASA), NASA astronaut Ron Garan, Expedition 28 flight engineer, uses a tether to secure his position during a spacewalk he performed outside the docked International Space Station and space shuttle Atlantis July 12, 2011 in space. This is the 160th spacewalk devoted to station assembly and maintenance since construction began in 1998. Space shuttle Atlantis has embarked on a 12-day mission to the International Space Station where it will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts. This was the final mission of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this handout image provided by the National Aeronautics and Space Administration (NASA), NASA astronaut Ronald Garan works in the International Space Station's Quest airlock prior to a planned six-and-a-half-hour spacewalk July 12, 2011 in space. This is the 160th spacewalk devoted to station assembly and maintenance since construction began in 1998. Space shuttle Atlantis has embarked on a 12-day mission to the International Space Station where it will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts. This was the final mission of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this handout image provided by the National Aeronautics and Space Administration (NASA), the Southern Lights or Aurora Australis and the port side wing of NASA space shuttle Atlantis can be seen from the International Space Station July 14, 2011 in space. Space shuttle Atlantis is on the last leg of a 12-day mission to the International Space Station where it delivered the Raffaello multi-purpose logistics module packed with supplies and spare parts. This was the final mission of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this video screen grab provided by the National Aeronautics and Space Administration (NASA), NASA astronaut Mike Fossum, Expedition 28 flight engineer does repairs on the International Space Station during a planned six-and-a-half-hour spacewalk July 12, 2011 in space. Space shuttle Atlantis has embarked on a 12-day mission to the International Space Station where it will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts. This will be the final launch of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

(credit: NASA via Getty Images)

In this video screen grab provided by the National Aeronautics and Space Administration (NASA), NASA astronaut Mike Fossum, Expedition 28 flight engineer does repairs on the International Space Station during a planned six-and-a-half-hour spacewalk July 12, 2011 in space. Space shuttle Atlantis has embarked on a 12-day mission to the International Space Station where it will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts. This will be the final launch of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this handout image provided by the National Aeronautics and Space Administration (NASA), NASA astronaut Ronald Garan attached to the robotic arm Canadarm2 moves a failed ammonia pump module from a storage platform on the International Space Station to the cargo bay of the space shuttle Atlantis during a planned six-and-a-half-hour spacewalk July 12, 2011 in space. This is the 160th spacewalk devoted to station assembly and maintenance since construction began in 1998. Space shuttle Atlantis has embarked on a 12-day mission to the International Space Station where it will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts. This will be the final launch of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this video screen grab provided by the National Aeronautics and Space Administration (NASA), NASA astronaut Ronald Garan attached to the Canada Arm 2 moves a failed ammonia pump module from a storage platform on the International Space Station to the cargo bay of the space shuttle Atlantis during a planned six-and-a-half-hour spacewalk July 12, 2011 in space. This is the 160th spacewalk devoted to station assembly and maintenance since construction began in 1998. Space shuttle Atlantis has embarked on a 12-day mission to the International Space Station where it will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts. This will be the final launch of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this video screen grab provided by the National Aeronautics and Space Administration (NASA), NASA astronaut Ronald Garan i(L) installs a foot restraint on the Canada Arm 2 as he and astronaut Michael Fossum (btm R) do repairs on the International Space Station during a planned six-and-a-half-hour spacewalk July 12, 2011 in space. Space shuttle Atlantis has embarked on a 12-day mission to the International Space Station where it will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts. This will be the final launch of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this handout image provided by the National Aeronautics and Space Administration (NASA), NASA astronauts Chris Ferguson (left), STS-135 commander, and Rex Walheim, mission specialist, are pictured on the aft flight deck of the space shuttle Atlantis prior to docking with the International Space Station during the mission's third day in space July 10, 2011 in space. Atlantis has embarked on a 12-day mission to the International Space Station where it will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts. This will be the final launch of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this handout image provided by the National Aeronautics and Space Administration (NASA), NASA space shuttle Atlantis in Earth orbit just before docking for the last time with the International Space Station July 10, 2011 in space. Atlantis has embarked on a 12-day mission to the International Space Station where it will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts. This will be the final launch of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

(credit: NASA via Getty Images)

In this handout image provided by the National Aeronautics and Space Administration (NASA), NASA space shuttle Atlantis in Earth orbit just before docking for the last time with the International Space Station July 10, 2011 in space. Atlantis has embarked on a 12-day mission to the International Space Station where it will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts. This will be the final launch of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this handout image provided by the National Aeronautics and Space Administration (NASA), the payload bay of NASA space shuttle Atlantis in Earth orbit just before docking for the last time with the International Space Station July 10, 2011 in space. Atlantis has embarked on a 12-day mission to the International Space Station where it will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts. This will be the final launch of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this handout image provided by the National Aeronautics and Space Administration (NASA), a detail of NASA space shuttle Atlantis in Earth orbit is seen during a Rendezvous Pitch Maneuver, or back flip to enable space station crew members to take high resolution digital pictures of the shuttle's heat shield before docking for the last time with the International Space Station July 10, 2011 in space. Atlantis has embarked on a 12-day mission to the International Space Station where it will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts. This will be the final launch of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this handout image provided by the National Aeronautics and Space Administration (NASA), NASA astronauts Chris Ferguson (L) and Doug Hurley are pictured at the commander's station and pilot's station, respectively, on the flight deck of the Earth-orbiting NASA space shuttle Atlantis on the second day of activity July 09, 2011 in space. Atlantis has embarked on a 12-day mission to the International Space Station where it will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts. This will be the final launch of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this handout image provided by the National Aeronautics and Space Administration (NASA), NASA astronaut Rex Walheim, STS-135 mission specialist, looks through an overhead window on the aft flight deck of the Earth-orbiting NASA space shuttle Atlantis on the second day of activity July 09, 2011 in space. Atlantis has embarked on a 12-day mission to the International Space Station where it will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts. This will be the final launch of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

Mission To ISS Continues For NASA's Final Space Shuttle Flight

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In this video screen grab provided by the National Aeronautics and Space Administration (NASA), the payload bay of NASA space shuttle Atlantis after it docked for the last time with the International Space Station July 10, 2011 in space. Atlantis has embarked on a 12-day mission to the International Space Station where it will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts. This will be the final launch of the space shuttle program, which began on April 12, 1981 with the launch of Colombia.

NASA's Final Space Shuttle Flight Lifts Off From Cape Canaveral

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Space shuttle Atlantis blasts off from launch pad 39A at Kennedy Space Centern July 8, 2011 in Cape Canaveral, Florida. This lift off is the last in the 30-year-old shuttle program.

NASA's Final Space Shuttle Flight Lifts Off From Cape Canaveral

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Space shuttle Atlantis blasts off from launch pad 39A at Kennedy Space Centern July 8, 2011 in Cape Canaveral, Florida. This lift off is the last in the 30-year-old shuttle program.

NASA's Final Space Shuttle Flight Lifts Off From Cape Canaveral

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Space shuttle Atlantis blasts off from launch pad 39A at Kennedy Space Center July 8, 2011 in Cape Canaveral, Florida. This lift off is the last in the 30-year-old shuttle program.

NASA Prepares For Launch Of Space Shuttle Atlantis

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Space Shuttle Atlantis Astronauts, Mission Specialists Rex Walheim, Sandra Magnus, Pilot Doug Hurley, and Commander Chris Ferguson walkout from the Operations and Checkout Building in preparation for the countdown in Cape Canaveral, Florida.

NASA's Final Space Shuttle Flight Lifts Off From Cape Canaveral

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Galvin Reller from Troy, Missouri wears his space suit as he waits to watch Space shuttle Atlantis lift off on the last mission of the space shuttle program on July 8, 2011 in Titusville, Florida.

NASA's Final Space Shuttle Flight Lifts Off From Cape Canaveral

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People watch as Space shuttle Atlantis lifts off on the last mission of the space shuttle program on July 8, 2011 in Titusville, Florida. Atlantis is headed to the space station.

NASA's Final Space Shuttle Flight Lifts Off From Cape Canaveral

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People watch as Space shuttle Atlantis lifts off on the last mission of the space shuttle program on July 8, 2011 in Titusville, Florida. Atlantis is headed to the space station.

NASA Research Center Celebrates Atlantis Launch

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Five year-old Lux Sparks-Pescovitz (R) and his father David Pescovitz (L) watch a live video feed of the launch of space shuttle Atlantis at the NASA reseach center on July 8, 2011 in Moffett Field, California.

NASA's Final Space Shuttle Flight Lifts Off From Cape Canaveral

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Space Shuttle Atlantis on a flawless launch, July 8, 2011 in Cape Canaveral, Florida. After Atlantis mission STS-135 the Space Shuttle program will come to an end.

NASA's Final Space Shuttle Flight Lifts Off From Cape Canaveral

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Kennedy Space Center employee Lisa Gorichky cries as Space Shuttle Atlantis lifts off during the final space shuttle mission from the Kennedy Space Center July 8, 2011 in Cape Canaveral, Florida.

NASA Prepares For Launch Of Space Shuttle Atlantis

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Larry Moore of McRae Art Studios in Orlando, Florida, works on a painting of the space shuttle Atlantis STS-135 at the press site at Kennedy Space Center two hours before the shuttle's launch July 8, 2011 in Cape Canaveral, Florida.

A young boy sleeps on a pier in the earl

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A young boy sleeps on a pier in the early morning as spectators camp out near a park in Titusville, Florida, as the space shuttle Atlantis prepares for launch from Kennedy Space Center on July 8, 2011 for the final flight of the shuttle program.

NASA Prepares For Launch Of Space Shuttle Atlantis

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Rabbi Zvi Konikov of Satellite Beach Chabad in Brevard, Florida, prays at the press site at Kennedy Space Center before the launch of space shuttle Atlantis STS-135 July 8, 2011 in Cape Canaveral, Florida.

NASA's Final Space Shuttle Flight Lifts Off From Cape Canaveral

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People watch as Space shuttle Atlantis lifts off on the last mission of the space shuttle program on July 8, 2011 in Titusville, Florida. Atlantis is headed to the space station.

NASA Prepares For Launch Of Space Shuttle Atlantis

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Ted Leatherwood, Karen Leatherwood, Allen Wilson, David Wilson, and Christopher Wilson hold a 'Wish You Were Here' sign for brother Joe Wilson from Maryland as they await the launch of Space Shuttle Atlantis July 8, 2011 in Cape Canaveral, Florida.

Young girls play in a drainage ditch as

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Young girls play in a drainage ditch as spectators camp out at a park in Titusville, Florida, as the space shuttle Atlantis prepares for launch from Kennedy Space Center on July 8, 2011 for the final flight of the shuttle program.

NASA Prepares For Launch Of Space Shuttle Atlantis

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Photographers prepare for the launch of space shuttle Atlantis STS-135 at the press site at Kennedy Space Center two hours before launch July 8, 2011 in Cape Canaveral, Florida.

NASA Prepares For Launch Of Space Shuttle Atlantis

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People sleep in their chairs as they wait to watch the launch of Space shuttle Atlantis on the last mission of the space shuttle program on July 8, 2011 in Titusville, Florida.

NASA Prepares For Launch Of Space Shuttle Atlantis

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A Japanese journalist hangs a sign for the crew of the space shuttle Atlantis.

NASA Prepares For Launch Of Space Shuttle Atlantis

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Specatators line the shore of a lake at dawn as they watch space shuttle Atlantis on the launch pad at the Kennedy Space Center July 8, 2011 in Cape Canaveral, Florida.

NASA Prepares For Launch Of Space Shuttle Atlantis

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Members of the media and specatators line the shore of a lake at dawn as they watch space shuttle Atlantis on the launchpad at the Kennedy Space Center July 8, 2011 in Cape Canaveral, Florida.

NASA Prepares For Launch Of Space Shuttle Atlantis

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The space shuttle Atlantis is revealed as the rotating service structure (RSS) is rolled back at pad 39a on Thursday, July 7, 2011 at the NASA Kennedy Space Center in Cape Canaveral, Fla.

NASA Prepares For Launch Of Space Shuttle Atlantis

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Space shuttle Atlantis stands on launch pad 39A one day before its scheduled launch at Kennedy Space Center July 7, 2011 in Cape Canaveral, Florida.

NASA Prepares For Launch Of Space Shuttle Atlantis

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NASA volunteer Robert White makes photographs of space shuttle Atlantis as it stands on launch pad 39A at Kennedy Space Center.

NASA Prepares For Launch Of Space Shuttle Atlantis

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A sign reading, 'God Speed Atlantis'' is seen through a rain soaked window as people wait for the launch of Space shuttle Atlantis in Titusville, Florida.

The Smoke Trail From Space shuttle Atlantis

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The smoke trail from Space shuttle Atlantis after lifting off the launch pad on July 8, 2011 at Kennedy Space Center in Florida.

NASA Prepares For Launch Of Space Shuttle Atlantis

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Space Shuttle Atlantis sits on the launchpad at the Kennedy Space Center beneath dark clouds and a rainbow Cape Canaveral, Florida.