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Alan Bartlett Shepard Jr. (November 18, 1923 – July 21, 1998) was an American astronaut.In 1961, he became the second person and the first American to travel into space and, in 1971, he became the fifth and oldest person to walk on the Moon, at age 47.
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.
Brief mission summary 1 Yuri Gagarin: 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
The mission commander of Apollo 14, Alan Shepard, one of the original Mercury Seven astronauts, became the first American to enter space with a suborbital flight on May 5, 1961. [5] Thereafter, he was grounded by Ménière's disease, a disorder of the ear, and served as Chief Astronaut, the administrative head of the Astronaut Office.
Shepard was elected its first president and chairman, positions which he held until October 1997, when he was succeeded by Jim Lovell. [82] Glenn became the first American in orbit in 1962. In 1998 (while a sitting U.S. senator) he flew on the Space Shuttle Discovery, and became the oldest person to fly in space at the time, aged 77. He was the ...
Mercury-Atlas 10 (MA-10) was a cancelled early crewed space mission, which would have been the last flight in NASA's Mercury program.It was planned as a three-day extended mission, to launch in late 1963; the spacecraft, Freedom 7-II, would have been flown by Alan Shepard, a veteran of the suborbital Mercury-Redstone 3 mission in 1961.
Alan Shepard was the oldest person to walk on the Moon, at age 47 years and 80 days. Charles Duke was the youngest, at age 36 years and 201 days. Jim Lovell and Fred Haise were scheduled to walk on the Moon during the Apollo 13 mission, but the lunar landing was aborted following an explosion in the spacecraft service module en route
Two aborted missions did cross either the Kármán line or the U.S. definition of space. These were the non-fatal aborted Soyuz mission MS-10 which did not reach the Kármán line but did pass the 80 km (50 mi) line. The other was the non-fatal Soyuz mission, 18a which crossed the Kármán line. Four missions successfully achieved human ...