8:40th Infantry

The 8th Battalion, 40th Infantry Regiment (8/40th Infantry) was a unit of the United States Army that primarily served during the Vietnam War era. Activated as part of the 199th Light Infantry Brigade, the 8/40th was tasked with combat operations in South Vietnam, focusing on counterinsurgency, security, and pacification missions in the III Corps Tactical Zone. The battalion participated in numerous search-and-destroy operations, often engaging Viet Cong and North Vietnamese Army units in challenging jungle and urban environments. Known for its adaptability and resilience, the 8/40th Infantry contributed significantly to the brigade’s efforts before being inactivated at the conclusion of U.S. ground combat operations in Vietnam.