Orbiting Vehicle or OV, originally designated SATAR (SATellite - Atmospheric Research), comprised five different series of standardized American satellites...

An orbital vehicle is a spacecraft which attains orbit. Orbit Vehicle, Orbital Vehicle, Orbiter Vehicle, or Orbiting Vehicle may also refer to: A vehicle...

single-stage-to-orbit vehicles cannot get into space on their own, and require a launch vehicle (carrier rocket). On a sub-orbital spaceflight, a space vehicle enters...

2011 by NASA, the U.S. space agency, this vehicle could carry astronauts and payloads into low Earth orbit, perform in-space operations, then re-enter...

pronunciation, from Sanskrit: gagana, "celestial" and yāna, "craft, vehicle") is an Indian crewed orbital spacecraft intended to be the formative spacecraft of the...

mission time was 1,323 days. Space Shuttle components include the Orbiter Vehicle (OV) with three clustered Rocketdyne RS-25 main engines, a pair of...

X-37, also known as the Orbital Test Vehicle (OTV), is a reusable robotic spacecraft. It is boosted into space by a launch vehicle, re-enters Earth's atmosphere...

accelerate the launch vehicle beforehand. Since at least in the early 20th century, single-stage-to-orbit reusable launch vehicles have existed in science...

Launch vehicles are engineered with advanced aerodynamics and technologies, which contribute to high operating costs. An orbital launch vehicle must lift...

two-stage-to-orbit (TSTO) or two-stage rocket is a launch vehicle in which two distinct stages provide propulsion consecutively in order to achieve orbital velocity...

proportion to the total vehicle size and mass. An early exception to this, the Space Shuttle, consisted of a reusable orbital vehicle carrying crew and payload...

research, develop and test demonstrator vehicles capable of SSTO (single-stage-to-orbit) and TSTO (two-stage-to-orbit) missions. These programs were code-named...

Orbiting Vehicle 1–13 (also known as OV1-13 ) was a satellite launched on 6 April 1968 to measure the level of radiation in orbit at altitudes as high...

at hypersonic speeds due to their sub-orbital (e.g., intercontinental ballistic missile reentry vehicles), orbital (e.g., the Soyuz), or unbounded (e.g...

honor of NASA astronaut John Glenn, the first American to orbit Earth. The inaugural vehicle was unveiled on the launch pad in February 2024. Its maiden...

first envisioned in the post-World War II era as a support vehicle for a permanent, Earth-orbiting space station. It was used by science fiction writer Murray...

A super heavy-lift launch vehicle is a rocket that can lift to low Earth orbit a "super heavy payload", which is defined as more than 50 metric tons (110...

A heavy-lift launch vehicle (HLV) is an orbital launch vehicle capable of lifting payloads between 20,000 to 50,000 kg (44,000 to 110,000 lb) (by NASA...

set up in orbit around Jupiter. Fueling this expansion are two scientific advances: the development of the Laborious Extra-Orbital Vehicle, or LEV, a...

Orbiting Vehicle 1-8 (also known as OV1-8, OV1-8P,PasComSat,: 419  and Gridsphere), launched 14 July 1966, was the seventh satellite launched (fourth successfully)...

considered a sub-orbital spaceflight. Some sub-orbital flights have been undertaken to test spacecraft and launch vehicles later intended for orbital spaceflight...

velocity (460 meters per second) to achieve orbital speed. The more frequent overhead passage of the orbiting vehicle above an equatorial base would facilitate...

The Manned Orbiting Laboratory (MOL) was part of the United States Air Force (USAF) human spaceflight program in the 1960s. The project was developed from...

Orbiting Vehicle 1-1 (COSPAR ID: 1965-F01, also known as OV1-1), was the first satellite in the OV1 series of the United States Air Force's Orbiting Vehicle...

series of the United States Air Force's Orbiting Vehicle program. The satellite measured charged particles in orbit so that their danger to space-based payloads...

by Orthrelm OVGuide, a website aggregator Orbiter Vehicle, a term for a NASA Space Shuttle Orbiting Vehicle, a series of satellites operated by the US...

place in supersonic airflow. As in ramjets, a scramjet relies on high vehicle speed to compress the incoming air forcefully before combustion (hence...

Orbiting Vehicle 2-5 (COSPAR ID: 1968-081A, also known as OV2-5), the third and last satellite of the second series of the United States Air Force's Orbiting...

orbit. Manufacturers of launch vehicles often advertise the amount of payload the vehicle can put into GTO. Geostationary and geosynchronous orbits are...

for the VentureStar orbital spaceplane, which was planned to be a next-generation, commercially operated reusable launch vehicle. The X-33 would flight-test...