M1 Abrams main battle tank

The M1 Abrams is the principal main battle tank (MBT) of the U.S. Army. M-1 Abrams tanks are the primary major weapon system in Armored Brigade Combat Teams (ABCTs). At present, the Active Army has 11 ABCTs, and the Army National Guard has 5 ABCTs. Each ABCT has 87 M-1 Abrams tanks. The M-1 is named for General Creighton Abrams, a noted World War II armored battalion commander who later served as Army Chief of Staff from 1972 to 1974

The smoothbore gun is the same as that fitted...