A single-stage-to-orbit (SSTO) vehicle reaches orbit from the surface of a body using only propellants and fluids and without expending tanks, engines...

NASA believed it needed for single-stage-to-orbit reusable launch vehicles (SSTO RLVs), such as metallic thermal protection systems, composite cryogenic fuel...

three-stage-to-orbit launcher and a hypothetical single-stage-to-orbit (SSTO) launcher. At liftoff the first stage is responsible for accelerating the...

Roton concept in the late 1990s as a fully reusable single-stage-to-orbit (SSTO) crewed spacecraft. The design was initially conceived by Bevin McKinney...

research project RLV-TD - an ongoing Indian project Reaction Engines Skylon SSTO A variant is an in-air-capture tow back system, advocated by a company called...

Take-Off and Landing, was a 1980s British design for a single-stage-to-orbit (SSTO) spaceplane that was to be powered by an airbreathing jet engine. Development...

CORONA is a single-stage-to-orbit launch vehicle capable of performing vertical takeoff and landing. It was developed by OAO GRTs Makeyev from 1992 to...

(NASP), part of a United States project to create a single-stage-to-orbit (SSTO) spacecraft and passenger spaceliner. Started in 1986, it was cancelled in...

crewed Mars lander. Had a DC-type craft been developed that operated as an SSTO in Earth's gravity well, even if with only a minimum 4–6 crew capacity, variants...

single-stage-to-orbit (SSTO) space vehicles with projects like X-33, Roton, McDonnell Douglas DC-X, and Skylon. By 2020, most SSTO developmental projects...