Apr 9 1959
From The Space Library
At a press conference in Washington, D.C., NASA Administrator T. Keith Glennan announced that seven pilots had been selected for the Mercury program. They were Lt. Cdr. Alan B. Shepard, Jr., Navy; Capt. Virgil I. Grissom, Air Force; Lt. Col. John H. Glenn, Jr., Marines; Lt. Malcolm Scott Carpenter, Navy; Lt. Cdr. Walter M. Schirra, Jr., Navy; Capt. Donald K. Slayton, Air Force; and Capt. Leroy Gordon Cooper, Jr., Air Force.
U.S. Congress, House, Committee on Science and Astronautics, Meeting with the Astronauts, Project Mercury, Man-in-Space Program, Hearings, 86th Congress, 1st Session (1959).