passive air defense

  • 21History of the Swiss Air Force — The history of the Swiss Air Force began in 1914 with the establishment of an ad hoc force consisting of a handful of men in outdated and largely civilian aircraft. It was only in the 1930s that an effective air force was established at great… …

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  • 22Unconventional warfare (United States Department of Defense doctrine) — In US doctrine, unconventional warfare (abbreviated UW) is the term for guerilla warfare conducted or supported by United States Army Special Forces (SF) and other units in the United States Special Operations Command. Guerilla warfare is one… …

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  • 23Army Air and Missile Defense Command — is a subordinate unit of the United States Army Forces Command.MissionStrategic deployment of combat ready air and missile defense units to theatre commands. One command is assigned per theater army.Organization and equipmentOverall*Personnel… …

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  • 24Kolchuga passive sensor — The Kolchuga passive sensor is an ESM system developed in Ukraine. Its detection range is limited by line of sight but may be up to 800 km (500 miles) for very high altitude, very powerful emitters. Frequently referred to as Kolchuga Radar , the… …

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  • 25United States Air Force Research Laboratory — Infobox Military Unit unit name= Air Force Research Laboratory caption=Emblem of AFRL dates= October 1997–Present country= United States branch= Air Force type= Research and development size= 4,200 civilian 1,200 military command structure= Air… …

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  • 26Civil defense siren — Federal Signal Thunderbolt 1003 Civil Defense siren. A civil defense siren (also referred to as an air raid siren, tornado siren, tsunami siren, fire siren/whistle, flood siren, weather siren, time/curfew siren, or other outdoor warning siren) is …

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  • 27Leviathan and the Air-Pump — Infobox Book name = Leviathan and the Air Pump title orig = translator = image caption = author = Steven Shapin and Simon Schaffer illustrator = cover artist = country = USA language = English series = genre = publisher = Princeton University… …

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  • 28Idaho Air National Guard — The Idaho Air National Guard is composed of 3,000 Airmen and officers assigned to two flying wings and six geographically separated units (GSUs) throughout Idaho.HistoryThe 124th Wing was formed from the 405th Fighter Bomber Squadron that saw… …

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  • 29Renouvellement de l'air interieur — Renouvellement de l air intérieur Le renouvellement de l air des volumes intérieurs est un problème important dans le domaine de l architecture et de la conception des habitacles. Ses enjeux concernent le confort, la santé, mais aussi les… …

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  • 30Renouvellement de l'air intérieur — Le renouvellement de l air des volumes intérieurs est un problème important dans le domaine de l architecture et de la conception des habitacles. Ses enjeux concernent le confort, la santé, mais aussi les économies d énergie. La ventilation peut… …

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