This regulation establishes policy and management responsibilities for the Army Military Auxiliary Radio System (formerly the Military Affiliate Radio System), and incorporates policy on amateur radio operations. It describes a program sponsored by the Department of Defense and supported by the Department of the Army in which military installations, military units, clubs, and volunteer-licensed amateur radio operators and stations provide emergency communications for emergency management agencies on a local, national, and international basis as an adjunct to existing Department of the Army communications.