1961: Final training for the first Mercury flights begins with the naming of Alan B. Shepard, Jr., Virgil I. “Gus” Grissom, and John H. Glenn, Jr., as candidates for an early ballistic flight.
1961: Final training for the first Mercury flights begins with the naming of Alan B. Shepard, Jr., Virgil I. “Gus” Grissom, and John H. Glenn, Jr., as candidates for an early ballistic flight.