SPACEX JOINS AEROSPACE ELITES to test new engines. “The new Merlin 1D engines will power both the Falcon 9, providing the capability to deliver heavier loads into LEO, and the yet to be flown Falcon Heavy. The Falcon Heavy is a massive rocket built on a Falcon 9 with two additional boosters for a total of 27 engines. The rocket will be capable of heavy lifting to LEO, lunar trips or as SpaceX founder Elon Musk plans, trips to Mars.”