The unit's motto "Play the Game" was taken from "Vitai Lampada" ("They Pass On The Torch of Life"), a poem written in 1892 by Sir Henry Newbolt (1862–1938).

A Silver color metal and enamel device 1+1⁄8 inches (2.9 cm) in height overall consisting of a shield blazoned: Argent, on a pale wavy Azure a dolphin hauriant embowed of the field, on a canton of the second the totem pole of the 23d Infantry Tenné.

Attached below the shield a Silver scroll inscribed "PLAY THE GAME" in Blue letters.

The 50th's overseas service in World War I was in the Army of Occupation in the Rhine country indicated by the pale with wavy edges.

The distinctive unit insignia was originally approved for the 50th Armored Infantry Regiment on 14 October 1942.