PROJECT MERCURY ASTRONAUTS VIRGIL GUS GRISSOM AND ALAN B SHEPARD JUNIOR STANDING NEXT TO THE ALTITUDE WIND TUNNEL AWT MULTIPLE AXIS SPACE TEST INERTIA FACILITY MASTIF
Alan Shepard and Gus Grissom with the MASTIF inside the wide end of the Altitude Wind Tunnel (AWT) (2/23/1960).
Image Credit: NASA
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https://www.nasa.gov/image-detail/grc-1960-c-52695/
Image CreditNASA
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