Meanings
- US space programNASA's first astronaut group, consisting of seven members, chosen in 1959: Scott Carpenter, Gordon Cooper, John Glenn, Gus Grissom, Wally Schirra, Alan Shepard, and Deke Slayton.
Cite this entry
Mercury Seven. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Mercury%20Seven
“Mercury Seven.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Mercury%20Seven. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “Mercury Seven,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Mercury%20Seven.
Source: Mercury Seven on Wiktionary, CC BY-SA 4.0.