Business Wire

Sierra Space Completes Test Campaign on Next Generation Vortex 35,000 lbf Fuel-Rich LOX LH2 ...

LOUISVILLE, Colo.--(BUSINESS WIRE)--Sierra Space, a leading commercial space company and defense tech prime that is Building a Platform in Space to Benefit Life on Earth ®, announced today the ...
SpaceNews

U.S. Air Force extends Sierra Space contract for upper stage rocket engine

Sierra Space completed a test campaign on Vortex 35,000 lbf liquid engine designed for upper-stage applications. Credit: Sierra Space WASHINGTON — The U.S. Air Force awarded Sierra Space a $16 million ...