NASA Photo ID: S72-41858 File Name: 10076053.jpg Film Type: 35mm b&w Date Taken: 06/15/72 Title: Astronauts Crippen and Thornton stand with off-duty recreation equipment Description: Two members of a three-man SMEAT crew who will spend up to 56 days in an altitude test chamber at the NASA Manned Spacecraft Center (MSC), give a preview of their activity in this training exercise. Astronauts Robert L. Crippen, left, Skylab Medical Experiment Altitude Test (SMEAT) crew commander, and Dr. William E. Thornton, SMEAT science pilot, stand at the cabinet containing off duty recreation equipment.