Jet Propulsion Laboratory | Greater Underwater Propulsion Power Program | propulsion | Nuclear marine propulsion | Electrically powered spacecraft propulsion | Spacecraft propulsion | Marine propulsion | nuclear marine propulsion | spacecraft propulsion | Propulsion | Project Orion (nuclear propulsion) | Navy's nuclear propulsion program | NASA's Jet Propulsion Laboratory | Momentum exchange tether | Lockheed Propulsion Company | Ascent Propulsion System |
Momentum exchange tether, an alternative name for a tether propulsion apparatus, a proposed method of lifting materials into orbit using a very long tether attached to a geo-stationary satellite