of orbital rocket engines Rocket engine Pintle injector TR-106 – Low Cost Pintle Engine (LCPE) using LOX/LH2 developed by TRW in 2000 TR-107 – RP-1 engine developed under SLI for future reusable launch vehicles RS-27A – RP-1 engine used in the US Delta II launcher; Saturn 1B H-1 heritage Rocketdyne F-1 – LOX/RP-1 main engine of the Saturn V moon rocket References Sources External links SpaceX official website SpaceX rocket engines Rocket engines using kerosene propellant Rocket engines using the gas-generator cycle Rocket engines of the United States