Description
On a shield, oblong in shape and arched at both sides, 3 inches (7.62cm) in height and 2 inches (5.08cm) in width, within a 1/8 inch (.32cm) white border a field of blue having a white-edged maroon sword throughout the center with point down and entwined about the blade two white zig-zag bands in the form of a figure eight.

Symbolism
The sword is in the color maroon, suggestive of human blood, and symbolic of the medical needs of an army. The zig-zag bands are in pure white to suggest bandaging and the antiseptic requirements of medical practice; by entwining the sword they signify the support provided by the organization.

Background
The shoulder sleeve insignia was originally approved for the 18th Medical Brigade on 25 October 1967. It was redesignated for the 18th Medical Command on 16 February 1984. (TIOH Drawing Number A-1-469)