Before Mercury Had a Name: NASA’s Human Spaceflight Decision
On October 7, 1958, NASA approved the project that became Mercury. Its goals joined orbital flight, research on human performance and safe recovery in one engineering program.
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Approval before the first astronaut flight
On October 7, 1958, NASA Administrator T. Keith Glennan approved plans for a crewed satellite project. NASA’s chronology records that the plans had been presented to the Advanced Research Projects Agency on October 3 and to Glennan four days later. The decision authorized the undertaking that would become Project Mercury.
Why the wording of the anniversary matters
NASA formally designated the project as Mercury on November 26, 1958. October 7 marks its approval, not that later naming and not a launch. Distinguishing these milestones prevents a common compression of space history, in which an administrative decision, a program announcement and a flight are treated as the same event.
The project had to solve three problems
Mercury’s objectives were to place a crewed spacecraft in orbit around Earth, study a person’s ability to function in the space environment, and recover both astronaut and spacecraft safely. These were linked requirements. An orbital launch without survivable reentry would not meet the recovery goal; a passenger who could not function in flight would leave the human-performance question unresolved.
From a proposal to a spacecraft contract
The work moved quickly toward industrial development. The Space Task Group presented the project to representatives of 40 companies on November 7. Detailed specifications were sent to interested firms later that month. Eleven companies submitted proposals by the December deadline, and NASA selected McDonnell Aircraft Corporation as the spacecraft contractor on January 9, 1959.
Selecting people for an unfamiliar environment
NASA looked to military test pilots when selecting its first astronauts. Their experience offered a basis for judging performance under demanding flight conditions, but it did not remove the need for medical and psychological screening. The Mercury Seven were introduced publicly on April 9, 1959. Selecting seven astronauts was a separate milestone from approving the program.
Reaching space was not the same as reaching orbit
Alan Shepard’s Freedom 7 flight on May 5, 1961, made him the first American in space on a suborbital mission. John Glenn’s Friendship 7 mission on February 20, 1962, made him the first American to orbit Earth, completing three circuits. Both belonged to Mercury, but they demonstrated different flight profiles. A suborbital trajectory returns without completing an orbit.
What the October decision eventually produced
Mercury completed six crewed flights between 1961 and 1963. Its final mission, flown by Gordon Cooper in May 1963, completed 22 orbits. The October 1958 approval belongs at the start of this sequence: it established a program whose progress can be followed through spacecraft procurement, astronaut selection, short flights and longer orbital missions.
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