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A check valve, non-return valve, reflux valve, retention valve, foot valve, or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction. [1] Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various ...
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Aviation first arrived at Quantico on 6 May 1896 when Dr. Samuel Pierpont Langley (1834–1906), Astronomer and third Secretary of the Smithsonian Institution, launched his successful Aerodrome #5, a steam engine powered, unpiloted aircraft from a houseboat in the shadow of Chopawamsic Island adjacent to the present-day approach end of Runway 20 at Quantico Marine Corps Air Facility.
English: The vector graphic contains SVG renditions of groups 21-25 of ISO 10628-2:2012(en), "Diagrams for the chemical and petrochemical industry — Part 2:Graphical symbols". The groups are: 21: valve 22: check valve 23: valves and fittings with safety functions 24: fittings 25: graphical symbols for piping Links to all sheets in the set:
On 15 January 1952, the U.S. Marine Corps recommissioned the idle airfield Marine Corps Air Station Kaneohe Bay, making it an ideal training site for a combined air/ground team. [8] Station Operations and Headquarters Squadron supported flight operations until 30 June 1972, when Station Operations and Maintenance Squadron (SOMS) was ...
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On 13 March 1985, MCAF Pendleton was re-designated as Marine Corps Air Station effective 1 April 1985. Today, the Air Station supports over 180 helicopters assigned to MAG-39, Marine Aircraft Group 46 Detachment A, and a wide variety of other Marine Corps units and visiting aircraft from other branches of the Armed Forces.
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