International Space Station U.S. Laboratory Outfitting, Part 1 951597

This paper describes the current United States Laboratory (USL) outfitting following the transition from Space Station Freedom to International Space Station (ISS).
The ISS USL is outfitted with eleven systems racks, an optical quality nadir window for earth viewing experiments and accommodations for thirteen International Standard Payload Racks (ISPRs). The international payloads utilize this outfitting in a “shirt sleeve” environment by sharing allocated system resources and flight crew time to perform long term microgravity experiments. These systems resources include Command and Data Handling, 120 Vdc power, liquid and air cooling, audio and video communication, space vacuum and location dependent levels of microgravity.
The ISS USL outfitting configuration, user interfaces, systems performance and environmental conditions are included in this ICES paper.


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