Weighing 55 tons and with a crew of three (commander, driver, and gunner), the T-14 Armata tank packs a 125mm main gun with an automatic loading system. Despite years of promotional fanfare ...

The tank is one of the most dreaded symbols of ... put into the M1A2 to achieve superior firepower and mobility. The main gun is a 120 mm XM256 smoothbore cannon, which is manually loaded and ...

It's been nearly three years since since the Army took delivery of the first of its first souped-up M1 Abrams main battle tanks ... s first shot from its main gun on Aug. 18.