Space · launch vehicle
Thor Delta D
MDC
RETIRED
At a glance
Launches
2
Success rate
100%
2 ok · 0 failed
Payload to LEO
450 kg
Payload to GTO
104 kg
Manufacturer
McDonnell DouglasStatus
RetiredFirst flight
19 Aug 1964Reusable
NoHeight
32 mDiameter
2.44 mLaunch mass
63 tLiftoff thrust
1,571 kNStages
4Launch cost
$12,720,000Booster 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