World War Two introduced instruments that pierced the darkness and weapons that released the power of the atom. Yet for all the advances in science and technology, the American infantryman on the ground fought the war with guns that, for the most part, were designed decades before. U.S. infantry weapons were not revolutionary in concept or design; but in robustness and dependability, they were, with few exceptions, unequaled. This hour examines the weapons that came through surf and snow, dense jungle and choking dust...guns of the American G.I.