John H. Glenn Mercury Seven Astronauts - from our story '‘Duty’, ‘Faith’ and ‘Country’ – The Mercury 6 Flight Story In Photos'

Mercury 7 astronaut John H. Glenn in the Mercury Procedures Trainer at the Space Task Group, Langley Field, Virginia.

Mercury 7 astronaut John H. Glenn in the Mercury Procedures Trainer at the Space Task Group, Langley Field, Virginia.

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