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Gemini 4 (officially Gemini IV) [3] was the second crewed spaceflight in NASA 's Project Gemini, occurring in June 1965. It was the tenth crewed American spaceflight (including two X-15 flights at altitudes exceeding 100 kilometers (54 nmi)). Astronauts James McDivitt and Ed White circled the Earth 66 times in four days, making it the first US ...
Gemini was the second phase in the United States space program's larger goal of "landing a man on the Moon and returning him safely to the Earth" before the end of the 1960s, as proposed by president John F. Kennedy. As an intermediary step, Gemini afforded its astronauts the opportunity to gain critical spaceflight experience, performing tasks ...
Launch status check. A launch status check, also known as a "go/no go poll" and several other terms, occurs at the beginning of an American spaceflight mission in which flight controllers monitoring various systems are queried for operation and readiness status before a launch can proceed. For Space Shuttle missions, in the firing room at the ...
Mercury Control Center. The Mercury Control Center (also known as Building 1385 or simply MCC) provided control and coordination of all activities associated with the NASA's Project Mercury flight operation as well as the first three Project Gemini flights (the first two had no crew). It was located on the Cape Canaveral Space Force Station ...
Spaceflight. Spaceflight began in the 20th century following theoretical and practical breakthroughs by Konstantin Tsiolkovsky, Robert H. Goddard, and Hermann Oberth, each of whom published works proposing rockets as the means for spaceflight. [a] The first successful large-scale rocket programs were initiated in Nazi Germany by Wernher von ...
Atlas family. Atlas is a family of US missiles and space launch vehicles that originated with the SM-65 Atlas. The Atlas intercontinental ballistic missile (ICBM) program was initiated in the late 1950s under the Convair Division of General Dynamics. [2] Atlas was a liquid propellant rocket burning RP-1 kerosene fuel with liquid oxygen in three ...
The Agena Target Vehicle (/ ə ˈ dʒ iː n ə /; ATV), also known as Gemini-Agena Target Vehicle (GATV), was an uncrewed spacecraft used by NASA during its Gemini program to develop and practice orbital space rendezvous and docking techniques, and to perform large orbital changes, in preparation for the Apollo program lunar missions. [1]
The Space-X designed pressure suits were not equipped with their own oxygen supply or other life support equipment and relied instead on the 12-foot-long umbilicals to deliver air, power and ...