Space · launch vehicle
Thor Delta M6
MDC
RETIRED
At a glance
Launches
1
Success rate
100%
1 ok · 0 failed
Payload to LEO
450 kg
Payload to GTO
450 kg
Manufacturer
McDonnell DouglasStatus
RetiredFirst flight
13 Mar 1971Reusable
NoHeight
32.4 mDiameter
2.44 mLaunch mass
103 tLiftoff thrust
2,411 kNStages
4Launch cost
—Booster 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