Nov 30 2002
From The Space Library
Crew members of STS-113 completed the installation of the P1 Truss segment, attaching it to the ISS's Integrated Truss Structure. The installation entailed the use of the Shuttle's and the ISS's robotic arms, as well as three spacewalks, which astronauts John Bennett Herrington and Michael Lopez-Alegria performed. STS-113's crew attached the 45-foot-long (13.7-meter-long), 14-ton (12,700-kilogram or 12.7-tonne) P1 Truss to the port side of the Starboard Zero (S0) Truss, the centerpiece of the Integrated Truss Structure. The P1 was the third segment of planned ISS equipment that would eventually include 11 contiguous truss structures. This particular truss segment contained the ISS's Active Thermal Control System, scheduled for activation in 2003; one of two Ultra High Frequency Communications systems on the ISS; and a Thermal Radiator Rotary Joint intended to provide mechanical and electrical energy to rotate the ISS's heat-rejecting radiators. (NASA, “STS-113 Overview,” http://spaceflight.nasa.gov/shuttle/archives/STS-113/mm-STS-113.pdf (accessed 29 October 2008); Puttkamer, “Space Flight 2002.”)
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