Space · launch vehicle
Thor-Delta
USAF
RETIRED
At a glance
Launches
3
Success rate
100%
3 ok · 0 failed
Payload to LEO
—
Payload to GTO
—
Manufacturer
United States Air ForceStatus
RetiredFirst flight
13 May 1960Reusable
NoHeight
18.42 mDiameter
2.44 mLaunch mass
54 tLiftoff thrust
759 kNStages
3Launch cost
$4,930,000Booster landings
—Links
WebsiteAbout
The Delta DM-19, or Thor-Delta was an early launch system used for 12 launches in the early '60s in the US. The first stage was a Thor missile with the second stage being the Delta, hence the name Thor-Delta. Of 12 flights, it failed only once and put 11 satellites into orbit between 1960 and 62.
Source The Space Devs — Launch Library 2
Last checked 29 Sept 2026