American astronaut John Glenn preparing to undergo centrifuge exam to simulate high G forces encountered during space flight, part of many medical tests and training prior to the Mercury mission.


  • Date: 1959-08
  • Location: Huntsville, AL, US
  • Physical Dimensions: B/W PRINT
  • Subject Keywords: Personnel, John H. Jr. Glenn, American, Space, 1950s
  • Publisher: TimeLife
  • Usage: For personal non-commercial use only
  • Provider: LIFE
  • Photographer: Ralph Morse
  • Original ID: TimeLife_image_1137674
  • Credits: LIFE
  • Copyright: © Time Inc.

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