Welcome to the Region III Army Military Affiliate Radio System (MARS) website. Region III includes the states of Pennsylvania,  Delaware, Maryland, Virginia, West Virginia, and the District of Columbia.  Army MARS is a Department of Defense sponsored program, managed and operated program by U.S. Army Network Enterprise Technology Command (NETCOM). The program consists of FCC licensed amateur radio operators who are interested in military communications on a local, national, and international basis as an adjunct to normal communications. Our mission is to support our military and civilian customers communication needs during time of disaster or national emergency.