Astronauts Grissom and Young in Gemini Mission Simulator

S64-25295 (March 1964) --- Astronauts Virgil I. (Gus) Grissom (right) and John W. Young, prime crew for the first manned Gemini mission (GT-3), are shown inside a Gemini mission simulator at McDonnell Aircraft Corp., St. Louis, MO. The simulator will provide Gemini astronauts and ground crews with realistic mission simulation during intensive training prior to actual launch.