JSC Building 41
via nasa.gov
Short excerpt below. Read at the original source.
Plant Operations Administration Building Johnson Space Center, Building 41 Building 41, Plant Operations Administration Building NASA Lyndon B. Johnson Space CenterHouston, Texas Originally built in 1969 as the Hypo/Hyperbaric Training Facility, this facility was used to train individuals on the physiological aspects of flight. It was run by the Manned Test Support Section of the […]