Space · launch vehicle
Thor Delta M
MDC
RETIRED
At a glance
Launches
12
Success rate
83.3%
10 ok · 2 failed
Payload to LEO
355 kg
Payload to GTO
355 kg
Manufacturer
McDonnell DouglasStatus
RetiredFirst flight
19 Sept 1968Reusable
NoHeight
34 mDiameter
2.44 mLaunch mass
103 tLiftoff thrust
2,140 kNStages
3Launch cost
$22,300,000Booster landings
—Links
WikipediaAbout
American orbital launch vehicle family with Thor first stage and a delta second stage.
Source The Space Devs — Launch Library 2
Last checked 29 Sept 2026