Thor DM-21 Agena-B
Thor familyUnited States Air ForceRetired
Thor-Agena was a series of orbital launch vehicles.

Specifications
- Thrust
- 667 kN
- Height
- 31 m
- Diameter
- 2.44 m
- Launch mass
- 56.5 t
- Stages
- 2
- LEO capacity
- 400 kg
Specifications from Launch Library. Figures the operator has not published are omitted.
Flight record
40flightswith a definitive outcome
80%success rate32 of 40
18success streakcurrent
Counted from padside's own launch record, the same basis as the stats page.