RS-68

Overview

A large LH2/LOX gas-generator engine developed for the Delta IV; designed for lower cost than the SSME, it powered the Delta IV and Delta IV Heavy cores.

Components & hardware

Knowledge connections

• PowersDelta IV Heavy
• Uses propellantLH2 / LOX

Sources

Facts on this topic will be cited from these primary and reference sources.

• NASANational Aeronautics and Space Administration

  Mission data, planetary science, space telescopes, and public-domain imagery.

  Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.