NASA image captured July 12, 2011 - With his feet secured on a restraint on the space station remote manipulator system's robotic arm or Canadarm2, NASA astronaut Mike Fossum (frame center) holds the Robotics Refueling Mission payload, which was the focus of one of the primary chores accomplished on a six and a half hour spacewalk on July 12. The failed pump module is with DEXTRE on left side of the photo. NASA astronauts Fossum and Ron Garan performed the six-hour, 31-minute spacewalk, which represents the final scheduled extravehicular activity during shuttle missions. Among Atlantiss final contributions to the ISS is the Robotic Refueling Mission, developed at Goddard Space Flight Center. Atlantis brought this module to the International Space Station, where it will provide key support in maintaining future spacecrafts for years to come. STS-135 astronauts traveled to Goddard to complete special training for these robotics, a major component of the final shuttle mission. RRM is one of dozens of Goddard payloads to travel aboard orbiters into space throughout the 30-year flight history of the Shuttle Program. NASA Goddard Space Flight Center enables NASAs mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASAs accomplishments by contributing compelling scientific knowledge to advance the Agencys mission.

Mission Specialist Bruce McCandless II, is seen further away from the confines and safety of his ship than any previous astronaut has ever been. This space first was made possible by the Manned Manuevering Unit or MMU, a nitrogen jet propelled backpack. After a series of test maneuvers inside and above Challenger's payload bay, McCandless went "free-flying" to a distance of 320 feet away from the Orbiter. This stunning orbital panorama view shows McCandless out there amongst the black and blue of Earth and space. (02/12/1984)

The thin line of Earth's atmosphere and the setting sun are featured in this image photographed by a crew member on the International Space Station while space shuttle Atlantis (STS-129) remains docked with the station. 11/23/09

NASA image acquired July 19, 2011 - Silhouetted against the Earth, Atlantis flies into the rising Sun in this photograph taken by an astronaut on the International Space Station on July 19, 2011. On July 20, the shuttle undocked from the station for the final time and began preparations to return home. During their 13 days in space, the shuttle astronauts supplied the International Space Station with a new logistics module, tested tools, technologies, and techniques to refuel satellites in space, and collected old equipment from the space station. Credit: NASA Earth Observatory

From 220 miles above Earth, one of the Expedition 25 crew members on the International Space Station took this night time photo featuring the bright lights of Cairo and Alexandria, Egypt on the Mediterranean coast. The Nile River and its delta stand out clearly as well. On the horizon, the airglow of the atmosphere is seen across the Mediterranean. The Sinai Peninsula, at right, is outlined wit

STS-125 Mission Specialist Andrew Feustel positioned on a foot restraint on the end of Atlantis' remote manipulator system moves the Corrective Optics Space Telescope Axial Replacement (COSTAR) during the mission's third session of extravehicular activity (EVA) as work continues to refurbish and upgrade the Hubble Space Telescope. Photo credit: NASA May 16, 2009

Expedition 35 Flight Engineers Chris Cassidy (pictured) and Tom Marshburn (out of frame) completed a spacewalk at 2:14 p.m. EDT May 11, 2013 to inspect and replace a pump controller box on the International Space Stations far port truss (P6) leaking ammonia coolant. The two NASA astronauts began the 5-hour, 30-minute spacewalk at 8:44 a.m. A leak of ammonia coolant from the area near or at the location of a Pump and Flow Control Subassembly was detected on Thursday, May 9, prompting engineers and flight controllers to begin plans to support the spacewalk. The device contains the mechanical systems that drive the cooling functions for the port truss.

A picturesque line of thunderstorms and numerous circular cloud patterns filled the view as the International Space Station (ISS) Expedition 20 crew members looked out at the limb (blue line on the horizon) of the Earth. The region shown in the astronaut photograph (top image) includes an unstable, active atmosphere forming a large area of cumulonimbus clouds in various stages of development. The crew was looking west-southwest from the Amazon Basin, along the Rio Madeira toward Bolivia when the image was taken.

Mission Specialist John Grunsfeld is positioned on a foot restraint on the end of Atlantis' remote manipulator system and Andrew Feustel (top center), mission specialist, participate in the mission's fifth and final spacewalk.

Close views of Paul Richards during an Extravehicular Activity (EVA) on the International Space Station (ISS). View STS102-346-021 is a crew pick selection.

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