Thor Burner 2A
Thor familyMcDonnell DouglasRetired
The Thor-Burner was an American expendable launch system, a member of the Thor rocket family. It consisted of a Thor missile, with one or two Burner upper stages.

Specifications
- Thrust
- 750 kN
- Height
- 23 m
- Diameter
- 2.44 m
- Launch mass
- 50 t
- Stages
- 3
Specifications from Launch Library. Figures the operator has not published are omitted.
Flight record
8flightswith a definitive outcome
100%success rate8 of 8
0failuresincluding partial failures
8success streakcurrent
First flight October 14, 1971 · latest February 19, 1976
Counted from padside's own launch record, the same basis as the stats page.
Flights per year
- Successful
- Failed
Show the numbers for Thor Burner 2A flights per year
| Year | Successful | Failed | Total |
|---|---|---|---|
| 1971 | 1 | 0 | 1 |
| 1972 | 2 | 0 | 2 |
| 1973 | 1 | 0 | 1 |
| 1974 | 2 | 0 | 2 |
| 1975 | 1 | 0 | 1 |
| 1976 | 1 | 0 | 1 |