Rocketdyne LR79-NA-9
Rocketdyne LR79-NA-9 liquid-fueled rocket engine variant used as the Thor launch vehicle first-stage engine; the National Museum of the United States Air Force identifies the Thor engine as one LR79-NA-9 rated at 150,000 pounds thrust.
Identity
- Aliases
- LR79-NA-9LR79S-3D
- Domains
- spaceflight
- Identity Level
- variant
- Kind
- liquid-rocket-engine
- Name
- Rocketdyne LR79-NA-9
- Status
- historical
Details
- Description
- Rocketdyne LR79-NA-9 liquid-fueled rocket engine variant used as the Thor launch vehicle first-stage engine; the National Museum of the United States Air Force identifies the Thor engine as one LR79-NA-9 rated at 150,000 pounds thrust.
- Developers
- Manufacturers
- Propellants
- RP-1liquid oxygen
- Rocket Specs
- Sea Level Thrust
- …
Links
Assets & Meta
- Creation Time
- August 7, 2026 at 04:44:37 UTC
- Updated Time
- August 22, 2026 at 11:09:55 UTC
Other
- Sources
- Accessed Date
- 2026-08-06
- Note
- Official USAF museum fact sheet identifies one Rocketdyne LR79-NA-9 as the Thor first-stage engine and states its 150,000 lb thrust rating.
- Publisher
- National Museum of the United States Air Force
- Title
- Douglas SM-75/PGM-17A Thor
- Accessed Date
- 2026-08-06
- Note
- Official propulsion history identifies LR79 as a liquid-fueled RP-1/liquid-oxygen engine and documents its S-3/S-3D designation family.
- Publisher
- National Museum of the United States Air Force
- Title
- Rocketdyne LR79