Final answer:
The warfare tactics used during the Vietnam War included gunfire support, riverine operations, and coastal interdiction, addressing the guerrilla warfare employed by the Vietcong and North Vietnamese forces.
Step-by-step explanation:
Each of the above. During the Vietnam War, the U.S. military used various tactics to combat the guerrilla warfare strategies of the Vietcong and North Vietnamese forces. Gunfire support was frequently employed where artillery, helicopters, or naval guns provided covering fire for troops.
Riverine operations were conducted by ‘Brown Water Navy’ units, which patrolled and secured the Mekong Delta waterways to limit Vietcong movements and supplies. Coastal interdiction efforts were aimed at preventing the transportation of enemy supplies along the coast of South Vietnam. These tactics were part of a larger counterinsurgency strategy, designed to combat the Vietcong’s guerrilla tactics, use of local terrain, and integration within civilian populations. The complexities of the conflict, with its shifting frontlines and allies, demanded adaptable and varied military responses.