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LR-105-NA-5
Atlas MA-3 LR-105-NA-5 sustainer-engine variant used on Atlas F.
Identity
Aliases
LR105-NA-5
Atlas MA-3 sustainer engine
Domains
spaceflight
Identity Level
variant
Kind
liquid-rocket-engine
Name
LR-105-NA-5
Status
historical
Details
Description
Atlas MA-3 LR-105-NA-5 sustainer-engine variant used on Atlas F.
Developers
Developer
Family
Family
Manufacturers
Manufacturer
Propellants
RP-1
liquid oxygen
Rocket Specs
Chamber Count
1
Assets & Meta
Creation Time
August 1, 2026 at 17:58:07 UTC
Updated Time
August 1, 2026 at 17:58:07 UTC
Other
Sources
Accessed Date
2026-08-01
Note
The Atlas F table identifies the MA-3 propulsion system's LR105-NA-5 sustainer engine.
Publisher
NASA Technical Reports Server
Title
NASA Historical Data Book: Atlas launch vehicle characteristics
Url
https://ntrs.nasa.gov/api/citations/19880016046/downloads/19880016046.pdf
Accessed Date
2026-08-01
Note
The historical Atlas tables distinguish the LR-105 sustainer family and the MA-3 Atlas F installation.
Publisher
NASA Technical Reports Server
Title
NASA Historical Data Book: Atlas characteristics
Url
https://ntrs.nasa.gov/api/citations/19880016045/downloads/19880016045.pdf
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