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ITS-S5 and ITS-P5 (Integrated Truss Structure) are elements of the International Space Stations main truss structure.

The Integrated Truss Structure of the ISS consists of a linearly arranged sequence of connected trusses which is used to mount various unpressurized components, such as ELC logistics carriers, radiators, solar arrays, and other equipment.

S5 and P5 are short adaptor elements to connect the S3/4 and P3/4 segments with the S6 and P6 segments respectively.

The S5 truss was launched on STS-118 in August 2007 and the P5 truss was launched on STS-116 in December 2006.

Nation: USA
Type / Application: Space Station Truss
Operator: NASA
Contractors: Boeing
Propulsion: None
Power: via ISS
Mass: 1864 kg (#P5); 1819 kg (#S5)
Orbit: 400 km × 400 km, 51.6 (typical)
Satellite COSPAR Date LS Launch Vehicle Remarks
ITS-P5 N/A 10.12.2006 CCK LC-39B Shuttle with Discovery F-33 (STS-116), MAA, FCal, MEPSI 2A, MEPSI 2B, RAFT1, MARScom
ITS-S5 N/A 08.08.2007 CCK LC-39A Shuttle with Endeavour F-20 (STS-118)

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