Chosen from a field of 110 candidates, seven test pilots—Air Force Capts. L. Gordon Cooper Jr., Virgil I. “Gus” Grissom, and Donald K. “Deke” Slayton; Navy Lt. Cmdrs. Walter M. Schirra Jr. and Alan B. Shepard Jr., and Lt. M. Scott Carpenter; and Marine Lt. Col. John H. Glenn Jr.—are announced as the Project Mercury astronauts.
Happy Birthday US Air Force: 78 Today
Sept. 18, 2025
Seventy-eight years ago today, on Sept. 18, 1947, Supreme Court Chief Justice Fred Vinson swore in Stuart Symington as the first ever Secretary of the Air Force, and the Air Force officially became the first new military service since the Revolutionary War.