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Mercury Seven
The
Mercury Seven
were the group of seven
Mercury
astronauts
announced by
NASA
on April 9, 1959. They are also referred to as the
Original Seven
or
Astronaut Group 1
. They piloted the manned spaceflights of the Mercury program from May 1961 to May 1963. These seven original American astronauts were
Scott Carpenter
,
Gordon Cooper
,
John Glenn
,
Gus Grissom
,
Wally Schirra
,
Alan Shepard
, and
Deke Slayton
.
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