A World War II unit history of the 482nd AAA AW (SP) Battalion. Batteries of this unit fought in Bastogne and St. Vith during the Battle of the Bulge. It also defended the Remagen Bridgehead over the Rhine.

This is the unit history of the 81st Mortar Battalion in World War II. Although edited and annotated for clarity it is essentially the same unit history issued to the men of the unit at the end of the war.