Space · launch vehicle
Thor DM-21 Agena-B
USAF
RETIRED
At a glance
Launches
40
Success rate
80%
32 ok · 8 failed
Payload to LEO
—
Payload to GTO
—
Manufacturer
United States Air ForceStatus
RetiredFirst flight
26 Oct 1960Reusable
NoHeight
—Diameter
—Launch mass
—Liftoff thrust
—Stages
—Launch cost
—Booster landings
—Links
WikipediaAbout
Thor-Agena was a series of orbital launch vehicles.
Source The Space Devs — Launch Library 2
Last checked 29 Sept 2026