In the early hours of June 6, 1944, the first of over 150,000 Allied soldiers stormed five beaches in Normandy against fierce German resistance. They were specially trained and task-organized in a range of different landing teams depending on their means of transport, their tasks, and the resistance they anticipated. The first assault infantry were accompanied by tankers, combat engineers, and other specialist personnel, to breach German obstacles, knock out defensive positions, and to defend and prepare the beaches for the follow-on waves. On some beaches the plans worked, on others they...

In an effort to provide the US infantryman with more firepower to cover the range gap between the hand grenade and the light mortar, the 40mm M79 grenade launcher--a shoulder-fired, single-shot weapon--entered service with US forces in 1961.

Reliable, easy to use, and lethally effective, the M79 soon became an iconic symbol of the Vietnam War and had a profound influence on small-unit tactics. As the Vietnam conflict continued, it was joined on the front line by experimental models such as the magazine-fed T148E1, as well as two launchers intended to be fitted under the barrel of the...