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A pyrotechnic valve, also explosive actuated valve, short pyro valve or pyrovalve is a one time use propulsion component often used to control propellant or pressurant systems aboard spacecraft or space probes. The device is activated by an electric signal, upon which one or several small explosive charges are ignited.
Cobham Technical Services (the trading name of Cobham CTS Ltd) is a UK-based technology organisation founded in 1920. It sells products for terrestrial and satellite communications, navigation and sensor applications; technical services and specialised systems for high-voltage and lightning testing; electromagnetic and multiphysics simulation software products.
Sargent Fletcher was founded as Fletcher Aviation in 1940 [2] and bought by Cobham in 1994. According to a 1991 report the company submitted to regional air quality officials, the company's El Monte chrome-plating plant showed the highest cancer-risk level of any business in the San Gabriel Valley. [3] It was later closed in 2010.
In September 1997, Cobham acquired ML Aviation for £37 million, which had taken over Nash & Thompson, a major competitor, the previous year. [7]In early 2008, Cobham purchased S-TEC Corporation, maker of general aviation autopilots, for $38 million; [8] during February 2008, the company also bought the sensor and antenna systems division of BAE Systems for $240 million. [9]
The NASA Standard Initiator (NSI) is a pyrotechnic device used to set off other pyrotechnic devices. It is the central multi-purpose component of a modular system of detonating cords, pyrotechnics and various other explosive charges with many different uses.
The mother of Austin Tice, who was taken captive in Syria in 2012, voiced hope that upheaval in the country will lead to freedom for her son.
To assist the range safety officer (RSO) in monitoring the launch and making eventual decisions, there are many indicators showing the condition of the space vehicle in flight. These included booster chamber pressures, vertical plane charts (later supplanted by computer-generated destruct lines), and height and speed indicators.
Ordnance crest "WHAT'S IN A NAME" - military education about SNL. This is a historic (index) list of United States Army weapons and materiel, by their Standard Nomenclature List (SNL) group and individual designations — an alpha-numeric nomenclature system used in the United States Army Ordnance Corps Supply Catalogues used from about 1930 to about 1958.