Definition of Grissom, Gus in English:

Grissom, Gus

proper noun

  • (1926–67), US astronaut; full name Virgil Ivan Grissom. Part of the original Project Mercury astronaut team in 1959, he was killed in a flash fire in the Apollo I capsule along with fellow astronauts Edward H. White(1930–67) and Roger B. Chaffee(1935–67)


Grissom, Gus