The M1A2 Abrams is a formidable main battle tank used by the U.S. Army. Weighing around 68 tons, it features advanced armor, firepower and mobility. Its primary armament includes a 120mm Smooth ...

Two decades of counterinsurgency wars have taken a toll on the US Army's proficiency in tank gunnery and mechanized warfare.

Rebel forces ... “a real bastion of military resources,” said Charles Lister, director of the Syria program at the Middle East Institute, a Washington-based think tank. Lister told NBC News ...