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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 first Agena-D launch was of KH-4 #7 on June 28, 1963, and a total of 269 Agena-Ds were launched. The Agena-D was used to launch KH-7 GAMBIT and KH-8 Gambit 3 reconnaissance satellites, three Mariner probes to Venus and the two Mariner space probes to Mars. Thor-Agena flew for the last time in 1972 when it launched a KH-4B satellite.
The result was the Atlas LV-3 Agena D, a standardized version of the Atlas D core and Agena B which would be the same on every launch (at least as far as the Atlas was concerned, Agena Ds often still had customized setups, especially for DoD payloads). The Agena D first flew in July 1963, starting a series of 15 successful launches for NASA and ...
Agena may refer to: Keiko Agena (1973), an American actress; Beta Centauri, a star; RM-81 Agena, a rocket upper stage family developed by Lockheed, especially the Agena target vehicle used in preparation for the Apollo program lunar missions; AMD K10, a processor codenamed "Agena"
Thor-Agena was a series of orbital launch vehicles. [1] The launch vehicles used the Douglas-built Thor first stage and the Lockheed-built Agena second stages. They are thus cousins of the more-famous Thor-Deltas, which founded the Delta rocket family.
Forty-three launches took place from 1966-72 with two complete failures and one partial. [2] [3] [5] [6]The launch of a KH-4A photo reconnaissance satellite on May 9, 1967, malfunctioned when the Thor's first stage failed to cut off on schedule and continued burning until LOX depletion, thus putting the satellite into an incorrect orbit that seriously reduced its image quality.
Two or more planets in the same house (zodiacal sign). A circle with a line implying two objects are aligned (or, the starting point of an angle) Vigintile: V: V: U+0056: 18° 20: Also known as semidecile. SD: SD: U+0053 U+0044 Semisextile ⚺ U+26BA: 30° 12: One sign apart The intersecting lines from the inner angles of the upper half of a ...
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