出典:Wikipedia
出典:『Wikipedia』 (2010/10/16 05:17 UTC 版)
Project Dye Marker also nicknamed McNamara's Wall (after the Secretary of Defence Robert McNamara) or the Electric Fence was the third and final name for an electronic infiltration barrier constructed by the American forces in Quang Tri Province, Vietnam and intended to curb the transport of North Vietnamese troops and supplies through the Demilitarized Zone along the Ho Chi Minh trail during the Vietnam War.