Long Nguyen Secret Zone

The Long Nguyen Secret Zone was a geographical area of the South Vietnam, a heavily-forested area located between Highway 13 and the Michelin Rubber Plantation about 56 kilometers (35 mi) northwest of Saigon, in Binh Duong Province that served as a Viet Cong divisional sanctuary.^[1]

It was the site of numerous military operations during the Vietnam War, including:

• Operation Bushmaster II
• Operation Shenandoah II