scope:

PURPOSE. In accordance with the authority in DoD Directive (DoDD) 5144.02 (Reference (a)) and guidance in DoDD 3025.18 (Reference (b)), DoD Instruction (DoDI) 8330.01 (Reference (c), and DoDI 5535.10 (Reference (d)), this instruction:

a. Establishes policy and assigns responsibilities to ensure that LMR systems support interoperable and secure communications with other federal, State, local, and tribal LMR users.

b. Directs the establishment of a list of DoD-required Telecommunications Industry Association (TIA) International Project 25 (P25) interfaces (referred to in this instruction as "DoD P25 interfaces") to support LMR interoperability.

APPLICABILITY. This instruction:

a. Applies to OSD, the Military Departments (including the Coast Guard at all times, including when it is a Service in the Department of Homeland Security by agreement with that Department), the Office of the Chairman of the Joint Chiefs of Staff (CJCS) and the Joint Staff, the Combatant Commands (CCMDs), the Office of the Inspector General of the Department of Defense, the Defense Agencies, the DoD Field Activities, and all other organizational entities within the DoD (referred to collectively in this instruction as the "DoD Components").

b. Applies to all DoD operations, activities, and installations worldwide.

c. Will not alter or supersede the existing authorities, policies, and legal requirements of the National Guard Bureau, pursuant to Title 32, United States Code (U.S.C.) (Reference (e)), Title 10, U.S.C. (Reference (f)), and DoDD 5105.83 (Reference (g)).