Tanks prior to the laser rangefinder had to rely on stadiametric rangefinding, where an enemy tank was bracketed between markings on the sight to estimate the distance, or stereoscopic rangefinding, ...

In the 1950s, both the Soviet Union and the United States tried to build nuclear-proof tanks. The USSR’s Object 279 had four tracks, a hemispherical hull and 270 mm of armor to survive atomic blasts.

One unusual tank design continues to spark debate decades later. The M3 Lee’s riveted armor, complex layout, and rushed wartime production raise questions about whether it was flawed or simply ...