Space · launch vehicle
Thor Delta N6
MDC
RETIRED
At a glance
Launches
3
Success rate
66.7%
2 ok · 1 failed
Payload to LEO
—
Payload to GTO
—
Manufacturer
McDonnell DouglasStatus
RetiredFirst flight
23 Jan 1970Reusable
NoHeight
33 mDiameter
2.44 mLaunch mass
102 tLiftoff thrust
2,411 kNStages
3Launch 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