Long-Duration Spaceflight Habitability Lessons Learned

The Long-Duration Spaceflight Habitability Lessons Learned, was prepared by NASA, Johnson Space Center, Flight Operations, Intravehicular Activity.
The primary responsibility is with NASA, Johnson Space Center, Flight Operations, Intravehicular Activity, CX4.
Questions concerning the technical content of this document should be directed to Bethany Fenner, NASA/JSC, Flight Operations Directorate (FOD), Intravehicular Activity, CX4.