Comparing: T20 vs. Panther/M10

The first in a series of 1942–1943 U.S. medium tank designs intended as replacements for the M4 Sherman. The first prototype was produced in May 1943, and trials went on until 1944. The vehicle was not approved for mass production, but subsequent prototypes, the T22 and T23, were created on the basis of this development. They, in turn, served as precursors of the T25 and T26. Eventually, the M26 Pershing emerged on their basis and was adopted for service.

During the preparation of Otto Skorzeny's Panzerbrigade 150 for the Ardennes offensive, four Panther tanks were disguised as M10 tank destroyers. The tank brigade was to carry out diversions deep behind the allied lines. All vehicles were lost during the battle with the 120th U.S. Infantry Regiment on February 21, 1945.