Thor Delta is an expendable launch vehicle built by McDonnell Douglas. It stands 31.0 m tall, lifts 226 kg to low Earth orbit, first flew on 13 May 1960. It has flown 9 times with 8 successes, a success rate of 88.9%. It has nothing on the Launch Library 2 schedule right now.
Specification
Vehicle spec sheet
OPS-12/SPEC
ON FILE
Height31.0 m
Diameter2.4 m
Payload to LEO226 kg
Payload to GTONOT ON FILE
Maiden flight13 May 1960
ReusableNo, expendable
Launch cost$7.3M
StatusRETIRED
As listed by Launch Library 2. The cost is Launch Library’s figure, not a quoted price. Figures for rockets outside the sixty most-flown were last read on 2026-11-05.
Flight record
Reliability
OPS-12/STAT
ON RECORD
Total flights9
Successful8
Failed1
Success rate88.9%
Landing attempts0
Landing successN/A
Scheduled0
VariantDelta
About Thor Delta
American orbital launch vehicle. Commercial name for the military's Thor-Delta.
