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  2. RS-25 - Wikipedia

    en.wikipedia.org/wiki/RS-25

    The RS-25 engine consists of pumps, valves, and other components working in concert to produce thrust. Fuel (liquid hydrogen) and oxidizer (liquid oxygen) from the Space Shuttle's external tank entered the orbiter at the umbilical disconnect valves and from there flowed through the orbiter's main propulsion system (MPS) feed lines; whereas in the Space Launch System (SLS), fuel and oxidizer ...

  3. Orbital Maneuvering System - Wikipedia

    en.wikipedia.org/wiki/Orbital_Maneuvering_System

    The Orbital Maneuvering System (OMS) is a system of hypergolic liquid-propellant rocket engines used on the Space Shuttle and the Orion spacecraft.Designed and manufactured in the United States by Aerojet, [1] the system allowed the orbiter to perform various orbital maneuvers according to requirements of each mission profile: orbital injection after main engine cutoff, orbital corrections ...

  4. Space Shuttle - Wikipedia

    en.wikipedia.org/wiki/Space_Shuttle

    The Space Shuttle external tank (ET) carried the propellant for the Space Shuttle Main Engines, and connected the orbiter vehicle with the solid rocket boosters. The ET was 47 m (153.8 ft) tall and 8.4 m (27.6 ft) in diameter, and contained separate tanks for liquid oxygen and liquid hydrogen.

  5. List of NASA's flight control positions - Wikipedia

    en.wikipedia.org/wiki/List_of_NASA's_flight...

    Payload deployment and retrieval system (PDRS) Responsible for Space Shuttle remote manipulator system (RMS) or "robot arm". Propulsion engineer (PROP) Managed the reaction control thrusters and orbital maneuvering engines during all phases of flight, monitored fuel usage and propellant tank status, and calculated optimal sequences for thruster ...

  6. Spacecraft attitude determination and control - Wikipedia

    en.wikipedia.org/wiki/Spacecraft_attitude...

    Thruster systems have been used on most crewed space vehicles, including Vostok, Mercury, Gemini, Apollo, Soyuz, and the Space Shuttle. To minimize the fuel limitation on mission duration, auxiliary attitude control systems may be used to reduce vehicle rotation to lower levels, such as small ion thrusters that accelerate ionized gases ...

  7. Space Shuttle abort modes - Wikipedia

    en.wikipedia.org/wiki/Space_Shuttle_abort_modes

    Abort modes available depending on engine failure time. Space Shuttle abort modes were procedures by which the nominal launch of the NASA Space Shuttle could be terminated. A pad abort occurred after ignition of the shuttle's main engines but prior to liftoff. An abort during ascent that would result in the orbiter returning to a runway or to ...

  8. Reaction control system - Wikipedia

    en.wikipedia.org/wiki/Reaction_control_system

    control of orientation, or "pointing the nose" of the craft; a backup means of deorbiting; ullage motors to prime the fuel system for a main engine burn. Because spacecraft only contain a finite amount of fuel and there is little chance to refill them, alternative reaction control systems have been developed so that fuel can be conserved.

  9. Space Shuttle Main Propulsion Test Article - Wikipedia

    en.wikipedia.org/wiki/Space_Shuttle_Main...

    The Space Shuttle External Tank for the MPTA rolling off the assembly line at the Michoud Assembly Facility. Never intended for actual spaceflight, the MPTA consisted of the internal structure of a Space Shuttle orbiter aft-fuselage, a truss structure that simulated the basic structure and shape of an orbiter mid-fuselage and a complete Space Shuttle Main Engine (SSME) assembly, including all ...