constant-pressure operation
21Operation Strike of the Sword — (Khanjar) Part of the War in Afghanistan (2001–p …
22Pressure carburetor — A pressure carburetor is a type of fuel metering system for piston aircraft engines manufactured by the Bendix Corporation starting in the 1940s. It is recognized as an early type of mechanical fuel injection and was developed to prevent fuel… …
23Operation Barrel Roll — For other uses, see Barrel roll. Operation Barrel Roll Part of Vietnam War Date 14 December 1964 – 29 March 1973 Location Northeastern …
24Operation Red Wings — For the 1956 series of U.S. nuclear tests, see Operation Redwing. Operation Red Wings Part of the War in Afghanistan (2001–present) Date June 28, 2005 Location …
25Operation N — Tadeusz Żenczykowski, codename Kania , chief of Operation N Operation N (Polish: Akcja N, where N comes from the Polish word Niemcy, meaning Germans or Germany ) was a complex of sabotage, subversion and black propaganda activities carried out by …
26Operation Passage to Freedom — Up to a million refugees left the communist North Vietnam during Operation Passage to Freedom after the country was partitioned. Operation Passage to Freedom was the term used by the United States Navy to describe its transportation in 1954–55 of …
27pressure-operated altitude valve — (poa) Device which maintains a constant low side pressure, independent of altitude of operation …
28Apache Point Observatory Lunar Laser-ranging Operation — APOLLO shooting a laser at the Moon. The laser pulse is reflected from the retroreflectors on the Moon (see below) and returned to the telescope. The round trip time tells the distance to the Moon to great accuracy. In this picture the Moon is… …
29Static pressure — * In the design and operation of aircraft, static pressure is the air pressure in the aircraft’s static pressure system.* In fluid dynamics, static pressure is the pressure at a nominated point in a fluid. Many authors use the term static… …
30Belgorod-Khar'kov Offensive Operation — Infobox Military Conflict conflict=Belgorod Khar kov Offensive Operation caption= partof=the Eastern Front of World War II place=Kharkov date=12 August 1943 23 August 1943 result=Soviet victory combatant1=flag|Nazi Germany combatant2=flag|Soviet… …
