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Delta D

From Wikipedia, the free encyclopedia
American expendable launch vehicle

Launch of a Delta D withIntelsat I
FunctionExpendable launch system
Country of originUnited States
Launch history
StatusRetired
Launch sitesCape CanaveralLC-17
Total launches2
Success(es)2
First flight19 August 1964
Last flight6 April 1965

TheDelta D,Thrust Augmented Delta orThor-Delta D was an Americanexpendable launch system used to launch twocommunications satellites in 1964 and 1965. It was derived from theDelta C, and was a member of theDelta family of rockets.

The three-stage core vehicle was essentially the same as the Delta C. The first stage was aThor missile in theDSV-2A configuration, and the second stage was theDelta-D, which was derived from the earlierDelta-A. AnAltair-2 SRM was used as a third stage. The main difference between the Delta C and Delta D was the presence of threeCastor-1solid rocket boosters, clustered around the first stage.

Both Delta D launches were conducted fromCape Canaveral Air Force StationLaunch Complex 17A. The first, on 19 August 1964, carriedSyncom 3, the first satellite in ageostationary orbit. The last, on 6 April 1965, carried the first commercial communications satellite,Intelsat I.[1][2]

References

[edit]
  1. ^Wade, Mark."Delta". Archived fromthe original on 2008-07-24.
  2. ^Krebs, Gunter."Thor Family".Gunter's Space Page.Archived from the original on 2007-08-06. Retrieved2021-12-21.
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  • This template lists historical, current, and future space rockets that at least once attempted (but not necessarily succeeded in) an orbital launch or that are planned to attempt such a launch in the future
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