Project Mercury astronaut Hal Christian undergoes treadmill testing at Wright-Patterson Air Force Base, Ohio
Ohio United States USA Date:1959, February Duration:2 min 29 sec Sound:NO SOUND
NASA Project Mercury astronaut candidate Major Hal W. Christian, Jr., USAF, undergoes psychological and stress test at Wright-Patterson Air Force Base, Ohio. Astronaut undergoes a treadmill test. Subject walks at a constant rate on a moving treadmill which is elevated one degree each minute. The test continues till heart beat reaches 180 beats per minute. Subject sits on a stool in between the tests.
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