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Mercury Seven
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
thumb|The Mercury Seven. From left to right: Scott Carpenter, Gordon Cooper, John Glenn, Gus Grissom, Wally Schirra, Alan Shepard, and Deke Slayton.
Proper noun
Mercury seven 1
en US space program NASA'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.
Further reading
Mercury Seven
en History of the United States Individuals Seven