Tanks have served as the backbone of the U.S. Army and Marine Corps' armored forces for more than 30 years. But how much do you really know about the M1A1 and M1A2 Abrams tank. Watch and learn.
Tanks have served as the backbone of the U.S. Army and Marine Corps' armored forces for more than 30 years. But how much do you really know about the M1A1 and M1A2 Abrams tank. Watch and learn.