As a tank destroyer commander without a tank destroyer, Medal of Honor recipient Staff Sgt. Clyde Choate had to do exceptional improvisation under fire.
The sidelining of the Abrams reflects evolving battlefield tactics where drone use has made it virtually impossible for them to maneuver without detection.
Piloted in 2017, the Air Force's Shark Tank knockoff formed part of a broader campaign to expedite the process of finding and developing new technology.
Two experts who watched the Russian video said the vehicle struck by the helicopter's missile was not a Leopard tank, or any other type of armored vehicle.