A group photo of the seven original astronauts of Mercury (the Mercury Seven), taken at the <a href="https://en.wikipedia.org/wiki/Ellington_Air_Force_Base" class="extiw" title="en:Ellington Air Force Base">Ellington Air Force Base</a> in <a href="https://en.wikipedia.org/wiki/Houston,_Texas" class="extiw" title="en:Houston, Texas">Houston, Texas</a>. From left to right: Gordon Cooper, Walter Schirra, Alan Shepard, Virgil Grissom, John Glenn, Donald Slayton and Scott Carpenter.  NASA photo S63-18853.
NASA
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