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Rocket file · LV-413

Thor MG-18

McDonnell Douglas · Thor · RETIRED

Thor MG-18 is an expendable launch vehicle built by McDonnell Douglas. It stands 23.0 m tall, first flew on 19 January 1965. It has flown 2 times with 2 successes, a success rate of 100.0%. It has nothing on the Launch Library 2 schedule right now.

Specification

Vehicle spec sheet

ON FILE
Height23.0 m
Diameter2.4 m
Payload to LEONOT ON FILE
Payload to GTONOT ON FILE
Maiden flight19 January 1965
ReusableNo, expendable
Launch costNOT ON FILE
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

ON RECORD
Total flights2
Successful2
Failed0
Success rate100.0%
Landing attempts0
Landing successN/A
Scheduled0
VariantMG-18

About Thor MG-18

American orbital launch vehicle. Two stage vehicle consisting of 1 x Thor DM-18A + 1 x MG-18

Upcoming flights

Manifest

EMPTY

Thor MG-18 is retired, and no flight is filed.

All upcoming launches

From NASA's public image library and Wikimedia Commons. Each photo shows the credit its licence asks for and links back to where it came from.

Thor MG-18 with DMSP 4A F1 satellite (1965-01-19)
Thor MG-18 with DMSP 4A F1 satellite (1965-01-19)USAF · public domainWikimedia Commons ↗
Thor MG-18 with DMSP Block 4A F2 before start
Thor MG-18 with DMSP Block 4A F2 before startUSAF · public domainWikimedia Commons ↗
Thor MG-18 with DMSP Block 4A F2 start
Thor MG-18 with DMSP Block 4A F2 startUSAF · public domainWikimedia Commons ↗

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Common questions

How many times has Thor MG-18 flown?
2 times, with 2 successes and 0 failures.
What is Thor MG-18's success rate?
100.0%. That's 2 successful flights out of 2 attempts.
How much can Thor MG-18 lift to orbit?
Launch Library 2 doesn't list a payload figure for Thor MG-18.
Is Thor MG-18 reusable?
No. Launch Library 2 lists Thor MG-18 as expendable, so no stage is recovered to fly again.