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Mercury-Redstone 3, or Freedom 7, was the first United States human spaceflight, on May 5, 1961, piloted by astronaut Alan Shepard. It was the first crewed flight of Project Mercury . The project had the ultimate objective of putting an astronaut into orbit around the Earth and returning him safely.
12 April 1961 Vostok 1: First crewed spaceflight. Reached Low Earth Orbit (LEO), flew around the Earth one time. 2 Alan Shepard (1) 5 May 1961 Mercury-Redstone 3 : First American crewed spaceflight. Did not reach Earth orbit, maximum altitude: 187 km (116 miles). [1] [2] 3 Gus Grissom (1) 21 July 1961 Mercury-Redstone 4 (Liberty Bell 7)
Alan Shepard became the first American in space on a suborbital flight three weeks later, on May 5, 1961. [138] John Glenn, the third Mercury astronaut to fly, became the first American to reach orbit on February 20, 1962, but only after the Soviets had launched a second cosmonaut, Gherman Titov , into a day-long flight in August 1961. [ 220 ]
On 5 May 1961, Alan Shepard became the first American in space, as part of Project Mercury. Humans traveled to the Moon nine times between 1968 and 1972 as part of the United States' Apollo program , and have had a continuous presence in space for 24 years and 78 days on the International Space Station (ISS). [ 2 ]
The most recent person and first geologist to have arrived on the Moon Vladimír Remek, 88th person in space and the first from a country other than the US or the Soviet Union Sigmund Jähn, 91st person in space and the first German Georgi Ivanov, 93rd person in space and the first Bulgarian Phạm Tuân, 97th person in space, and the first ...
12 April 1961: First human spaceflight (Yuri Gagarin). First human-crewed orbital flight. USSR Vostok 1 [11] [12] 5 May 1961: First human-piloted space flight (Alan Shepard). First human-crewed suborbital flight. USA Freedom 7: 19 May 1961: First planetary flyby (within 100,000 km of Venus – no data returned). USSR Venera 1: 6 August 1961
1961 April 12 USSR First human spaceflight mission (Yuri Gagarin) [2] First orbital flight of a manned vehicle Vostok 1: 1961 May 5 USA First pilot-controlled space flight (Alan Shepard) Freedom 7: 1961 May 19 USSR First planetary flyby , although contact was lost Venera 1 1961 August 6 USSR First crewed mission lasting a full day (Gherman Titov).
From 1958 until her retirement in 1986, Johnson worked as an aerospace technologist, moving during her career to the Spacecraft Controls Branch. She calculated the trajectory for the May 5, 1961, space flight of Alan Shepard, the first American in space. [1] She also calculated the launch window for his 1961 Mercury mission. [27]