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Gus Grissom - Wikipedia
New Evidence Shows That Gus Grissom Did Not Accidentally Sink …
The Tragic Death Of Astronaut Gus Grissom - Grunge
Apollo 1 tragedy: The fatal fire and its aftermath - Astronomy …
55 Years Ago: Tragedy on the Launch Pad - NASA
The Sinking of Liberty Bell 7: Gus Grissom’s Near-Fatal Mission
Gus Grissom: 2nd American in Space
Apollo 1 astronauts lost in tragic fire 50 years ago - CBS News
Gus Grissom: Life and legacy of the 'forgotten' Hoosier astronaut
40th Anniversary of Mercury 7: Virgil Ivan "Gus" Grissom - NASA