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John Glenn Enters the Altitude Chamber for Test

The headshot image of NASA

NASA

Jul 20, 1961
Image Article
John Glenn participates in an altitude chamber test.
Astronaut John H. Glenn Jr., suited with hose to suit ventilation unit attached, during altitude chamber test.

Astronaut John H. Glenn Jr., suited with hose to suit ventilation unit attached, during altitude chamber test. He is standing in the entrance to the test chamber with his helmet visor down. Photo credit: NASA