Thor Delta E Launch History
Every orbital and deep-space launch attempt by the Thor Delta E, year by year, drawn from the GCAT launch catalog. It is one of the variants covered on the Thor family page.
Data current as of 2026-07-20.
Thor Delta E made 6 orbital and deep-space launch attempts between 1965 and 1967. It is part of the Thor family. All 6 flights succeeded. The busiest year was 1965, with 2 flights. The most recent flight in the catalog was in 1967.
6
Launch attempts
6
Successes
0
Failures
100%
Success rate
Launches per year
Successes
Failures
Each bar links to that year's full chronology.
Year by year
Launch sites used
Sites the Thor Delta E launched from, across every launch in the catalog.
| Site | Country | Launches | Successes | Failures |
|---|---|---|---|---|
| V | 🇺🇸United States | 3 | 3 | 0 |
| CC | 🇺🇸United States | 3 | 3 | 0 |
Launch chronology
Every Thor Delta E launch in the catalog, newest first.
| Date | Designator | Payloads | Site / Pad | Outcome |
|---|---|---|---|---|
| Apr 20, 1967 | 1967-036 | 484/D048 : DSV-3E-3 S/N 20214, Improved Delta PLF, Thor DSV-2C (S/N 20215) +4 more, Castor, ESSA 5 despin weight, Altair 2 X-258E6 RH-141, TOS C | V / SLC2E | Success |
| Jan 26, 1967 | 1967-006 | 472/D045 : DSV-3E-3 S/N 20212, Improved Delta PLF, Thor DSV-2C (S/N 20212) +5 more, Castor, Altair yo weight, ESSA 4 despin weight, Altair 2 X-258C4 RH-91, TOS B | V / SLC2E | Success |
| Oct 2, 1966 | 1966-087 | 463/D041 : DSV-3E-3 S/N 20205, Improved Delta PLF, Thor DSV-2C (S/N 20206) +6 more, Castor, [UNID059] RCS 0.01, [UNID071] RCS 0.01, ESSA 3 despin weight, Altair 2 X-258C4 RH-89, TOS A | V / SLC2E | Success |
| Feb 28, 1966 | 1966-016 | 461/D037 : DSV-3E-3 S/N 20203, Improved Delta PLF, Thor DSV-2C 461 +5 more, Castor, deb ESSA 2, ESSA 2 despin weight, Altair 2 X-258C4 RH-92, Tiros OT2 | CC / LC17B | Success |
| Dec 16, 1965 | 1965-105 | 460/D035 : Pioneer A, X-258C4 RH-90, Improved Delta PLF +4 more, Thor DSV-2C 460, Castor, Altair 2 X-258C4 RH-90, DSV-3E-3 S/N 20202 | CC / LC17A | Success |
| Nov 6, 1965 | 1965-089 | 457/D034 : DSV-3E-3 S/N 20201, Nimbus Fairing, Thor DSV-2C 457 +5 more, Castor, deb Explorer 29, Explorer 29 despin weight, Altair 2 X-258C4, GEOS A | CC / LC17A | Success |