Apollo 7's crew—Wally Schirra, Donn Eisele, and Walt Cunningham—reentered Earth's atmosphere without wearing helmets, despite Mission Control's warnings about cabin leaks, rapid depressurization, and landing impacts.
Notes on verification
Confirmed by NASA's official history site and corroborated by History.com, Astronomy.com, and Planetary Society; details on Mission Control's reluctance and specific concerns (depressurization, landing safety) align across independent sources. [tier=gold indep_score=0.838 clusters=4 claim_tier=notable]
Sources
- The Flight (and Fights) of Apollo 7 - Smithsonian Magazine (seed:science_and_space)
- https://www.history.com/articles/apollo-7-near-mutiny-ground-control-astronauts (corroboration)
- https://www.nasa.gov/history/50-years-ago-apollo-7-ends-101-successful (corroboration)
- https://www.astronomy.com/space-exploration/apollo-7-nasas-first-mini-mutiny-in-space/ (corroboration)
- https://www.planetary.org/space-missions/apollo-7 (corroboration)