Delta E
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![]() Launch of a Delta E with Pioneer 6 |
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Function | Expendable launch system |
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Country of origin | ![]() |
Launch history | |
Status | Retired |
Launch sites | Cape Canaveral LC-17 Vandenberg SLC-2E |
Total launches | 23 |
Successes | 23 |
First flight | 6 November 1965 |
Last flight | 1 April 1971 |
The Delta E, or Thor-Delta E was an American expendable launch system used for twenty-three orbital launches between 1965 and 1971. It was a member of the Delta family of rockets.
The first stage was a Thor missile in the DSV-2C configuration, and the second stage was the Delta E, which was derived from the earlier Delta. Three Castor-1 solid rocket boosters were clustered around the first stage. Two different solid-fuel upper stages were available; an Altair-2 was used on the baseline version, however this could be replaced with an FW-4D to increase performance. A Delta E with the FW-4D upper stage was designated Delta E1. Six flights used the Delta E configuration and seventeen used the Delta E1.
Delta E rockets were launched from Cape Canaveral Air Force Station Launch Complex 17 and Vandenberg Air Force Base Space Launch Complex 2E. All 23 flights were successful.
References
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