(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).
Definition of Grissom, Gus in US English:
Grissom, Gus
proper nounˈɡrisəm
(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).