Since when has NASA existed?

The launch of Sputnik 1 in October 1957 made it clear in Washington how fragmented the American space program was: the Army, the Navy, the Air Force, and various research laboratories each worked on their own, with competing rockets and priorities. The political response was to create a civilian agency with a clear mandate. President Dwight D. Eisenhower signed the National Aeronautics and Space Act on July 29, 1958, and on October 1, 1958, NASA began operations. Military space activity expressly remained under the Department of Defense.

NASA did not start from scratch. It absorbed the National Advisory Committee for Aeronautics, founded in 1915, along with its staff, wind tunnels, and research facilities; centers such as Langley and Ames emerged from its sites, joined by laboratories and rocketry groups from other organizations. That is why the first A in the acronym has referred to aeronautics from the very beginning: wing profiles, engine noise, and aviation safety research are part of the mandate just as much as probes and spacecraft, even though astronautics grabs the headlines.

Since October 1958, NASA has operated without interruption, but never with a long-term guarantee: Congress approves the budget every year, programs get canceled, renamed, or postponed, and with each new administration the relative weight between Earth observation, robotic missions, and crewed flights shifts. Continuity lies less in program names than in the centers, test stands, and staff teams that survive several generations of programs. Anyone wanting to date the agency should mention both dates: the law of July 29, 1958, and the start of operations on October 1, 1958.