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Spacecraft reaction control systems are used for: attitude control during different stages of a mission; [3] station keeping in orbit; close maneuvering during docking procedures; 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.
The R-4D is a small hypergolic rocket engine, originally designed by Marquardt Corporation for use as a reaction control system thruster on vehicles of the Apollo crewed Moon landing program. Aerojet Rocketdyne manufactures and markets modern versions of the R-4D.
The air force's headquarters is located in Tirana and it operates three airbases: Tirana Air Base with the national Control and Reporting Centre, which reports to NATO's Integrated Air Defense System CAOC Torrejón in Spain, Kuçovë Air Base, and Lapraka Air Base, home to the government's transport helicopters. [12] Headquarters - Tirana [13] [14]
"A reaction control system (RCS) is a subsystem of a spacecraft whose purpose is attitude control and steering by the use of thrusters". Attitude and Orbit control "An RCS system is capable of providing small amounts of thrust in any desired direction or combination of directions".
2021–22 Albanian Cup (Albanian: Kupa e Shqipërisë) was the seventieth season of Albania's annual cup competition, the Albanian Cup. Vllaznia defended the trophy, winning their eighth title in the competition.
The Academy of Sciences of Albania (Albanian: Akademia e Shkencave e Shqipërisë), founded in 1972, is the most important scientific institution in Albania. [1] In the 1980s, several research institutes began at the University of Tirana were transferred to the Academy's jurisdiction. [ 2 ]
The 2021–22 Kategoria Superiore was the 83rd official season, or 86th season of top-tier football in Albania (including three unofficial championships during World War II) and the 22nd season under the name Kategoria Superiore. The season began in 10 September 2021 and ended on 26 May 2022.
Fletorja Zyrtare is the official government journal of the Republic of Albania.Published in a bulletin format, the journal is under the editorial oversight of the Official Publishing Center (Albanian: Qendra e Botimeve Zyrtare – QBZ) which is the only institution in the country authorized for its publication. [1]