Description
Centered on a scarlet rectangle arched at top and bottom, 2 inches (5.08cm) in width and 3 inches (7.62cm) in height overall, a black cannon barrel surmounting and partially enclosed by a yellow horseshoe in base and the barrel surmounted above center by a white crescent, all enclosed by a 1/8 inch (.32cm) yellow border.

Symbolism
Scarlet and yellow are the colors used for Artillery. The revolutionary period cannon barrel and the horseshoe are historic symbols of artillery and refer to the mission of the modern artillery branch as well. The crescent is adapted from the State Flag and Seal of South Carolina, the unit's home state.

Background
The shoulder sleeve insignia was approved on 22 Dec 1978. (TIOH Drawing Number A-1-630)