Test Campaign on New Vortex LOX LH2 Engine Completed

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Test Campaign on New Vortex LOX LH2 Engine Completed

The test campaign for the Sierra Space fully integrated VR35K-A upper stage engine, under contract with Air Force Research Laboratory’s (AFRL) Rocket Propulsion Division at Edwards Air Force Base has been completed. The milestone marks a major step forward in Sierra Space’s development of advanced propulsion systems. “Our powerful new upper stage engine, the VR35K-A, represents a groundbreaking advancement in propulsion technology." Dan Polis, S…