Airman First Class Albert Moore became the last B-52 gunner to down an enemy aircraft with rear guns in any American war.

A favored support gun, the 105mm howitzer used in Vietnam had seen action in World War II. Modified to improve field mobility, the guns served admirably throughout the Vietnam conflict.

Besides the geopolitical controversies generated by the Vietnam War, it also spawned the career of what is arguably the most controversial rifle ever issued to the U.S. Armed Forces: the 5.56mm/.

Vietnam and Russia signed on Tuesday an agreement on nuclear energy and several cooperation deals during a visit to Hanoi by ...