Phase III Simplified Integrated Test (SIT) Results: Space Station ECLSS Testing

During 1989, phase III testing of Space Station Freedom (S.S. Freedom) Environmental Control and Life Support Systems (ECLSS) began at Marshall Space Flight Center (MSFC) with the Simplified Integrated Test (SIT). This test, conducted at the MSFC Core Module Integration Facility (CMIF), was the first time the four baseline air revitalization subsystems were integrated together. This paper details the results and lessons learned from the phase III SIT. Future plans for testing at the MSFC CMIF are also discussed.