These shells use either turbofans or turbojets to create atmospheric lift with a set of wings. The engines may be maneuvered to point and generate thrust in different directions for vertical takeoffs/landings and better maneuverability in zero-G. Similar Gear Gas Jet System Hopper Hovercraft Internal Rocket System Ionic Microlight Plasma Sail Implant Roller Rotorcraft Snake Submarine Tracked Walker Wheeled Winged