Report bugs and suggestions here SSTO Project Overview SSTO Project adds very powerful engines to the Kerbal Space Program Part list Engines SuperJet - most versatile engine in the pack NSABRE - a nuclear jet/rocket hybrid engine XN-1 "Chernobyl" Nuclear Engine(below): Planned parts Engines SpaceSoarer - quad-mode (Reverse Jet, Forward Jet, Rocket and Interstellar) - engine intended for interstellar transport. The engine will come in SS