The M41 Walker Bulldog was America’s primary light tank of the 1950s and 60s, designed to replace the WWII-era M24 Chaffee.

With the Cold War arms-race well into its second decade, Soviet military technology achieved a number of unparalleled successes. Their efficient battle tanks, self-propelled guns, artillery ...

Abrams tanks, in particular, are a focus of the ARL 3D printing effort, McWilliams said. The ARL lab has already 3D printed a replacement propeller fan for the Abrams tank.