Department of Defense
INSTRUCTION
NUMBER 8581.01
June 8, 2010
ASD(NII)/DoD CIO
SUBJECT: Information Assurance (IA) Policy for Space Systems Used by the Department of
Defense
References: See Enclosure 1
1. PURPOSE. This Instruction:
a. Reissues DoD Directive (DoDD) 8581.1 (Reference (a)) as a DoD Instruction (DoDI) in
accordance with the guidance in DoDI 5025.01 (Reference (b)) and the authority in DoDD
5144.1 (Reference (c)).
b. Implements requirements of National Security Directive 42 (Reference (d)) by
establishing IA policy and assigning responsibilities for all space systems used by the
Department of Defense in accordance with Committee on National Security Systems Policy No.
12 (Reference (e)).
c. Supplements IA policy and requirements contained in DoDD 8500.01E (Reference (f))
and DoDI 8500.2 (Reference (g)).
2. APPLICABILITY
a. This Instruction applies to:
(1) OSD, the Military Departments, the Office of the Chairman of the Joint Chiefs of
Staff and the Joint Staff, the Combatant Commands, the Office of the Inspector General of the
Department of Defense, the Defense Agencies, the DoD Field Activities, and all other
organizational entities in the Department of Defense (hereafter referred to collectively as the
“DoD Components”).
(2) All DoD use of space systems and the components thereof (e.g., launch vehicles,
satellites, payloads, launch and test ranges, satellite and network operation centers, and user
