RS-68 family
The Delta IV expendable hydrogen-engine family encompassing the original RS-68 and upgraded RS-68A.
Identity
- Aliases
- RS-68/RS-68A
- Domains
- spaceflight
- Identity Level
- family
- Kind
- liquid-rocket-engine
- Name
- RS-68 family
- Status
- retired
Details
- Description
- The Delta IV expendable hydrogen-engine family encompassing the original RS-68 and upgraded RS-68A.
- Propellants
- liquid hydrogenliquid oxygen
Links
Assets & Meta
- Creation Time
- July 29, 2026 at 09:31:31 UTC
- Updated Time
- July 29, 2026 at 09:31:31 UTC
Other
- Sources
- Accessed Date
- 2026-07-29
- Note
- Supports the legacy vehicle installation and the narrow canonical identity used for migration.
- Publisher
- Official vehicle or program source
- Title
- Delta IV Heavy official vehicle reference
- Accessed Date
- 2026-07-29
- Publisher
- NASA Technical Reports Server
- Title
- Liquid Rocket Propulsion: RS-68 and Linear Aerospike
- Accessed Date
- 2026-07-29
- Note
- Supports the legacy vehicle installation and the narrow canonical identity used for migration.
- Publisher
- Official vehicle or program source
- Title
- Delta IV Medium+ (5,4) official vehicle reference