Rocket file · LV-397
Thor DSV-2U
Thor DSV-2U is an expendable launch vehicle built by McDonnell Douglas. It stands 23.0 m tall, lifts 500 kg to low Earth orbit, first flew on 11 September 1976. It has flown 5 times with 4 successes, a success rate of 80.0%. It has nothing on the Launch Library 2 schedule right now.
Specification
Vehicle spec sheet
As listed by Launch Library 2. The cost is Launch Library’s figure, not a quoted price. Figures for rockets outside the sixty most-flown were last read on 2026-11-05.
Flight record
Reliability
About Thor DSV-2U
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.
Upcoming flights
Manifest
Thor DSV-2U is retired, and no flight is filed.
All upcoming launchesThor DSV-2U in the archive
From NASA's public image library and Wikimedia Commons. Each photo shows the credit its licence asks for and links back to where it came from.

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Common questions
- How many times has Thor DSV-2U flown?
- 5 times, with 4 successes and 1 failures.
- What is Thor DSV-2U's success rate?
- 80.0%. That's 4 successful flights out of 5 attempts.
- How much can Thor DSV-2U lift to orbit?
- Launch Library 2 lists Thor DSV-2U at 500 kg to low Earth orbit.
- Is Thor DSV-2U reusable?
- No. Launch Library 2 lists Thor DSV-2U as expendable, so no stage is recovered to fly again.
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