"Mercury Seven"
Announced- 3Scott Carpenter: MA7
- 1Gordo Cooper: MA9, #G5
- 2John Glenn: MA6
- 1Gus Grisson: MR4, #G3
- 3Wally Schirra: MA8, #G6, #A7
- 3Al Shepard: MR3, #A14*
- 1Deke Slayton: AS
"Next Nine"
Announced- 4Neil Armstrong: #G8, #A11*
- 1Frank Borman: #G7, #A8
- 3Pete Conrad: G5, #G11, #A12*, #SL2
- 3Jim Lovell: G7, #G12, A8, #A13
- 1Jim McDivitt: #G4, #A9
- 4Elliot See
- 1Tom Stafford: G6, #G9, #A10, #AS
- 1Ed White: G4
- 3John Young: G3, #G10, A10†, #A16*
"The Fourteen"
Announced- 1Buzz Aldrin: G12, A11*
- 1Bill Anders: A8
- 1Charlie Bassett
- 3Al Bean: A12*, #SL3
- 3Gene Cernan: G9, A10, #A17*
- 3Roger Chaffee
- 1Mike Collins: G10, A11†
- 4Walt Cunningham: A7
- 1Donn Eisele: A7
- 1Ted Freeman
- 3Dick Gordon: G11, A12†
- 4Rusty Schweickart: A9
- 1Dave Scott: G8, A9, #A15*
- 2C. C. Williams
"Scientist-Astronauts"
Announced- 4Owen Garriott: SL3
- 4Ed Gibson: SL4
- 4Duane Graveline
- 4Joe Kerwin: SL2
- 4Curt Michel
- 4Jack Schmitt: A17*
"The Nineteen"
Announced- 4Vance Brand: AS
- 3John Bull
- 2Jerry Carr: #SL4
- 1Charlie Duke: A16*
- 1Joe Engle
- 3Ron Evans: A17†
- 1Ed Givens
- 4Fred Haise: A13
- 1Jim Irwin: A15*
- 4Don Lind
- 2Jack Lousma: SL3
- 3Ken Mattingly: A16†
- 3Bruce McCandless
- 3Ed Mitchell: A14*
- 1Bill Pogue: SL4
- 1Stu Roosa: A14†
- 4Jack Swigert: A13
- 3Paul Weitz: SL2
- 1Al Worden: A15†
Legend:
1Air Force (21)2Marine Corps (4)
3Navy (16)
4Civilian (14)
MR: Mercury Redstone
MA: Mercury Atlas
G: Gemini
A: Apollo
SL: Skylab
AS: Apollo-Soyuz
#: Commander
*: Moonwalker
†: Orbited moon solo