2026-244Latest orbital launch: Falcon 9 · Starlink Group 15-16 · Oct 27, 2026 · VandenbergLaunch record →
sci-techmaventhe history of spaceflight, in data
  1. Home
  2. Rockets
  3. Thor Delta N
// launch vehicle

Thor Delta N

Thor Delta N was built by Douglas Aircraft Corp. Missiles and Space Systems Division (MSSD) and flew 6 launch attempts between Aug 16, 1968 and Mar 12, 1972; 6 succeeded and 0 failed.

6 launchessuccess rate 100.0%United States

Launches per year

196819701972
SuccessfulFailed

All 6 launches

6 launches
DateMissionSpaceportCountryPayloadsOutcome
Mar 12, 1972TD-1A1972-014VandenbergUnited States1Success
Sep 29, 1971OSO H1971-083Cape Canaveral & KennedyUnited States2Partial · 0.75
Aug 9, 1969OSO G1969-068Cape Canaveral & KennedyUnited States2Success
Jun 29, 1969Biosatellite D Adapter1969-056Cape Canaveral & KennedyUnited States2Success
Dec 15, 1968TOS F1968-114VandenbergUnited States1Success
Aug 16, 1968TOS E1968-069VandenbergUnited 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.