After capturing an enemy commander, the soldiers proceed to interrogate him about how their plan was quickly found out but the commander is then killed by a sniper, but not before informing the armies that Dr. R. Muckly is a madman who is constructing a gigantic laser cannon to take over the world himself. Despite the intense firepower of the weapon, the troops defeat Dr. R. Muckly and save the world, with the special forces now being regarded as heroes but the war continues in Vietnam.