This isn't the first time the US Army has had tank gunnery problems. The huge expansion of America's armored force in World War II required training hordes of conscripts quickly. In the 1960s ...

Early on the misty winter morning of Dec. 16, 1944, more than 200,000 German troops and nearly 1,000 tanks launched Adolf ... fought and lived through World War II and the Battle of the Bulge.