A basic training film made by the U.S. Navy, “Co-ordinated Anti-Submarine Warfare Part I Why?” discusses how surface ships, aircraft and submarines work together to unravel the submarine threat. The film begins with images of a Soviet submarine operating on the surface, and then explains basic anti-submarine techniques. This includes a discussion of both passive and active sonar, and shows how sonobuoys and other technology are deployed to locate enemy submarines. Features footage of a carrier battle group, Soviet submarines, and American warships as well as Tracker aircraft and rotary wing ASW helicopters. Visible in the film is USS Stein (DE-1065) and USS Badger (FF-1071).

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This film is part of the Periscope Film LLC archive, one of the largest historic military, transportation, and aviation stock footage collections in the USA. Entirely film backed, this material is available for licensing in 24p HD, 2k and 4k. For more information visit http://www.PeriscopeFilm.com