scope:

PURPOSE. This Directive reissues reference (a) to establish policy and assign responsibilities under reference (b) regarding Basic Allowance for Subsistence (BAS) for (the Department of Defense and the Department of Homeland Security) military personnel.

APPLICABILITY. This Directive applies to the Office of the Secretary of Defense, the Military Departments (including the Coast Guard when it is not operating as a Service in the Navy by agreement with the Department of Homeland Security), the Chairman of the Joint Chiefs of Staff, the Combatant Commands, the Office of Inspector General of the Department of Defense, the Defense Agencies, the DOD Field Activities, and all other organizational entities within the Department of Defense (hereafter referred to collectively as "the DOD Components"). The term "Military Services," as used herein, refers to the Army, the Navy, the Air Force, the Marine Corps, and the Coast Guard. The term "Secretary concerned," as used herein, means the Secretary of the Army, the Secretary of the Navy, or the Secretary of the Air Force, or the Secretary of Homeland Security with respect to the Coast Guard when not operating as a Service within the Navy.