Department of Defense
INSTRUCTION
NUMBER 2000.12
March 1, 2012
Incorporating Change 3, May 8, 2017
USD(P)
SUBJECT: DoD Antiterrorism (AT) Program
References: See Enclosure 1
1. PURPOSE. This Instruction:
a. Reissues DoD Directive (DoDD) 2000.12 (Reference (a)) as a DoD Instruction (DoDI) in
accordance with the authority in DoDD 5111.1 (Reference (b)) and Secretary and Deputy
Secretary of Defense Memorandums (References (c) and (d)), to establish policy, assign
responsibilities, and prescribe procedures for the DoD AT Program.
b. Implements in part section 134 of title 10, United States Code (U.S.C.) (Reference (e)),
which provides that the Under Secretary of Defense for Policy (USD(P)) shall have overall
direction and supervision for policy, program planning and execution, and allocation and use of
resources for DoD combating terrorism (CbT) activities.
c. Incorporates the following actions from Acting Principal Deputy Under Secretary of
Defense for Policy Memorandum (Reference (f)):
(1) Transfer of the DoD AT Program to the Assistant Secretary of Defense for Homeland
Defense and Global Security (ASD(HD&GS)).
(2) Designation of ASD(HD&GS) as the lead OSD official for implementation of the
1997 Memorandum of Understanding Between DoD and Department of State for Security of
DoD Elements and Personnel in Foreign Areas (Reference (g)).
d. Replaces the Antiterrorism Coordinating Committee Senior Steering Group with the
Mission Assurance Senior Steering Group (SSG). The Mission Assurance Coordination Board
Terms of Reference (Reference (h)) describes the composition, roles, responsibilities, working
groups, and procedures of the SSG.
e. Incorporates elements of and cancels DoD O-2000.12-H (Reference (i)). Reference (i) is
replaced by the DoD Antiterrorism Officer Guide (Reference (bm)).
