Our MARS decal recognizes your service as a Military Auxiliary Radio System member. The decal measures 4" in diameter and has a reflective white background mounts OUTSIDE (onto glass or painted surface) and is UV resistant to minimize fading to provide a longer life.

What is MARS? From Wikipedia: MARS stands for Military Auxiliary Radio System, which is a program that provides contingency communications support for the U.S. Department of Defense using licensed amateur radio operators. It helps maintain communication during emergencies when traditional methods may fail.