The mark consists of a red circular design with a yellow banner on top and bottom, bordered in black. Within the top banner are the words "15TH MARINE EXPEDITIONARY UNIT", in black, and within the bottom banner are the words "MARINE AIR-GROUND TASK FORCE", in black. Within the red circular design is an eagle, in brown with a white head and tail feathers, and yellow beak, atop a globe, in white with black land masses, and behind the globe is an anchor, in yellow, with a white anchor line. In the center of the globe is the number "15", in yellow bordered in black.
FIFTEEN MARINE EXPEDITIONARY UNIT MARINE AIR-GROUND TASK FORCE
The colors red, white, black, yellow, and brown are claimed as a feature of the mark.