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Wiring Vietnam - The Electronic Wall

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During the Vietnam War, the U.S. Army deployed electronic sensors along the Ho Chi Minh Trail in Laos, Cambodia, North Vietnam, and South Vietnam in order to detect and track troop and vehicle movements. At approximately 8,100 miles in length, monitoring this sophisticated logistics network—consisting of roads, trails, vehicle parks, petroleum pipelines, and storage areas—was no mean task. Since the work was classified as "Secret" until only recently, a comprehensive story of the electronic sensors used in Southeast Asia has never been completely told.

Wiring Vietnam: The Electronic Wall relates the history of the electronic detection system that was deployed during the Vietnam War. Author Anthony Tambini covers everything from the sensors used to detect seismic signals from nearby troop and vehicle movements to audio sensors that were deployed to pick up conversations of troops as well as traffic noise of vehicles to engine ignition detectors. Beginning with the conception, development, and implementation of these sensors, Tambini then relates how, ultimately, the various signals the sensors collected were transmitted to orbiting aircraft that would process and retransmit the signals onward to a base in Thailand. There the data underwent further analysis for possible targets that could be attacked from the air.

Anthony Tambini, a member of the 25th Tactical Fighter Squadron based at Ubon, Thailand in the late 1960s, was part of an organization that dropped these sensors. His firsthand perspective, along with rarely seen photographs of the actual sensors used, will provide those interested in the Vietnam War and modern warfare with a clear picture of an undocumented side of history.

Anthony J. Tambini is a retired aerospace technical and logistics field representative. He spent 40 years in the aerospace industry and he is a former USAF flight engineer.