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Thor DSV-2U

Thor DSV-2U was built by Douglas Aircraft Corp. Missiles and Space Systems Division (MSSD) and flew 5 launch attempts between Sep 11, 1976 and Jul 15, 1980; 4 succeeded and 1 failed.

5 launchessuccess rate 80.0%United States

Launches per year

19761980
SuccessfulFailed

Spaceports

Launch agencies

ADCOM 10ADS4
SAC 394ITMS1

All 5 launches

5 launches
DateMissionSpaceportCountryPayloadsOutcome
Jul 15, 1980DMSP Block 5D S-41980-F02VandenbergUnited States1Failure
Jun 6, 1979DMSP Block 5D S-51979-050VandenbergUnited States1Success
May 1, 1978DMSP Block 5D S-31978-042VandenbergUnited States1Success
Jun 5, 1977DMSP Block 5D S-21977-044VandenbergUnited States1Success
Sep 11, 1976DMSP Block 5D S-11976-091VandenbergUnited States1Success

Source: GCAT launch list and launch vehicle tables, Jonathan C. McDowell (CC BY 4.0). Image: Wikidata/Commons for the rocket that most of its payloads list as their launcher.