The Abrams tank is the most advanced battle tank in the world, but there is always room to improve. It has been rumored that the Army has been working on developing a lighter 60-ton Abrams tank to replace the current M1A2 Abrams. This can be for various reasons from increased speed and maneuverability to better fuel consumption.



Check out the images and video below of what is believed to be a prototype M1A3 Abrams tank:









[Source: militaryphotos.net]