Routine In-Flight Maintenance on Space Station Payload Hardware
Major Constituents Analyzer (MCA) in the U.S. Destiny laboratory module’s Avionic Rack.
NASA
Expedition 67 Flight Engineer and NASA astronaut Jessica Watkins replaces components on the Major Constituents Analyzer (MCA) in the U.S. Destiny laboratory module’s Avionic Rack.
The MCA is a life support device ensures oxygen and carbon dioxide levels remain safe aboard the International Space Station.
iss067e184990 (July 12, 2022) – larger image
