Launch of the last Thor DSV-2U carrying DMSP-5D1 F5
|Function||Expendable launch system|
|Country of origin||United States|
|Launch sites||Vandenberg SLC-10W|
The Thor DSV-2U or Thor LV-2F Star-37XE Star-37S-ISS was an American expendable launch system used to launch five DMSP weather satellites between 1976 and 1980. It was a member of the Thor family of rockets, and a derivative of the Thor DSV-2.
The first stage was a Thor missile in the DM-19 configuration. A Star-37XE was used as the second stage, and the third stage was a Star-37S-ISS. All five launches were conducted from Space Launch Complex 10W at the Vandenberg Air Force Base. The final launch failed due to a malfunction during separation of the second and third stages which led to the spacecraft's wiring being ripped out.
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