Object 477, Object 775, and Object-640 (Black Eagle) were three experimental Russian-built tanks that never went into mass production ... artillery under the same codename based on the same chassis.

Reports claim the Black Eagle tank costs $3.3 million to make ... “It was based on an upgraded T-80U chassis, the main new addition being a welded-steel turret with advanced armour protection ...

The mangled remains of the tank, called "Black Eagle," were spotted in Sumy Oblast, in northeastern Ukraine. The wreckage was spotted by a team of researchers at the Oryx blog, who believe the ...