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COVER STORY The ability to "own the night" will always be a tactical advantage. This brief timeline illuminates only a small part of the technology's past and unique evolution Generation 1 Image Intensive Tube—While these used the same electro-optical device as Generation 0, this upgrade relied more on ambient light than on an infrared "search-light. " Ultimately, the solution made night vision more covert. 1955-75 Vietnam War 1960s Image intensifying systems, also known as AN/PVS-2 or Starlight scopes, are introduced Passive non-emitting night vision devices emerge 1975 Optic Electronic Corp. delivers first megaproduction, practical, high quality device to meet military requirements: Gen. 2 AN/PVS-4 1982 The U.S. DoD Authorization Act passes. This includes a section called "Military Cooperation with Civilian Law Enforcement Agencies Act" which meant "to codify practices of cooperation that had developed between military and civilian law enforcement authorities" Generation 2/2+ Image-intensifier tube improvements, a new multi-alkali photo detector, higher resolution and reliability. The new product size enables the mounted goggle form factor. www.officer.com 1985 AN/PVS-7 began development—a single tube, bi-ocular night vision goggle Estimated cost: $12,000 October 2013 Law Enforcement Technology 25