FREE image of International Space Station (ISS)
In this photograph, STS-113 astronaut and mission specialist John B. Herrington participates in the mission's first space walk. The opened hatch of the Quest Airlock can be seen reflected in Herrington's helmet visor. The airlock, located on the starboard side of the Unity Node I on the International Space Station (ISS), makes it easier to perform space walks, and allows both Russian and American space suits to be worn when the Shuttle is not docked with the ISS. American suits will not fit through Russian airlocks at the Station. STS-113, the 16th American assembly flight and 112th overall American flight to the ISS, launched on November 23, 2002 from Kennedy's launch pad 39A aboard the Space Shuttle Orbiter Endeavour. The main mission objective was the installation and activation of the Port 1 Integrated Truss Assembly (P1). The first major component installed on the left side of the Station, the P1 truss provides an additional three External Thermal Control System radiators. Weighing in at 27,506 pounds, the P1 truss is 45 feet (13.7 meters) long, 15 feet (4.6 meters) wide, and 13 feet (4 meters) high. Three space walks, aided by the use of the Robotic Manipulator Systems of both the Shuttle and the Station, were performed in the installation of P1.
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