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The S0 truss, (also called the Center Integrated Truss Assembly Starboard 0 Truss) forms the central backbone of the Space Station. It was attached on the top of the Destiny Laboratory Module during STS-110 in April 2002. S0 is used to route power to the pressurized station modules and conduct heat away from the modules to the S1 and P1 Trusses.
It forms the backbone of the station to which the S1 and P1 truss segments were attached (on the following missions STS-112 and STS-113, respectively). STS-110 also delivered the Mobile Transporter (MT), which is an 885 kilograms (1,951 lb) (1,950 lb) assembly that glides down rails on the station integrated trusses.
The USOS's cooling system is largely built by the US company Boeing, [295] which is also the manufacturer of the failed pump. [288] The four Main Bus Switching Units (MBSUs, located in the S0 truss), control the routing of power from the four solar array wings to the rest of the ISS.
The project began as Space Station Freedom, a US only effort, but was long delayed by funding and technical problems.Following the initial 1980's authorization (with an intended ten year construction period) by Ronald Reagan, the Station Freedom concept was designed and renamed in the 1990s to reduce costs and expand international involvement.
The S0 truss was delivered to the ISS on STS-110, [21] with the S1 segment following on STS-112. [22] The P1 segment of the truss was brought to the ISS by STS-113, [23] followed by the P3/P4 segment on STS-115, [24] and the P5 segment on STS-116. [25] The S3/S4 truss segment was delivered by STS-117, [26] followed by the S5 segment STS-118. [27]
Integrated Truss Structure#S0 truss; To a section: This is a redirect from a topic that does not have its own page to a section of a page on the subject.
English: 97-17421 (December 10, 1997) --- An aluminum bulkhead of the center truss segment test article for the International Space Station completes machining at Boeing facilities in Huntington Beach, California, in October 1997. The bulkheads are coupled with longerons to make up the 43-foot-long center truss segment, designated the S0 truss ...
Initial installation of the P1 truss, installed connections between the P1 and the S0 truss, released launch restraints on the CETA cart, installed Spool Positioning Devices (SPDs) onto the station, removed a drag link on P1 that served as a launch restraint, and installed a Wireless video system External Transceiver Assembly onto the Unity node.