A Silver color metal and enamel device 1 1/8 inches (2.86 cm) in height overall consisting of a shield blazoned: Or, an escutcheon Argent "Silver Gray" charged checky with three plates, two in chief and one in base, all conjoined to a three tower embattled castle in chief surmounting two rifles in saltire offensive ends up. Attached above the shield, a white scroll inscribed "THREE RIVERS". Attached below the shield a scroll parted to the left and inscribed "ARMAMENTARIAM" and to the right a blue scroll inscribed "DEMOCRATIA". Which translate to: Arsenal of Democracy
Blue and gold are the colors of the university. The tri-parted scroll of Red, signify patriotism, White representing purity, and blue symbolizing piety. The crossed rifles surmounted by a shield crested by a castle symbolize the Arsenal of Democracy significant to Pittsburgh's history; the checker pattern represents the strength and spirit of military training, the three pellets symbolize the three rivers of the Allegheny, Monongahela, and Ohio that come together in Pittsburgh.
The shoulder loop insignia was originally authorized 12 February 1974. It was amended to change the school design and update the description and symbolism of the new design on 12 April 2011.