32 C.F.R. § 223.5 – Responsibilities.

(a) The Under Secretary of Defense for Intelligence (USD(I)) shall oversee the DoD program for controlling DoD UCNI and coordinate DoD compliance with the DOE program for controlling DOE UCNI.
(b) The Assistant Secretary of Defense for Nuclear, Chemical, and Biological Defense Programs (ASD(NCB)), under the authority, direction, and control of the Under Secretary of Defense for Acquisition, Technology, and Logistics, shall:
1. (1) Identify information regarding nuclear weapons security and the protection of SNM at DoD nuclear reactor facilities as DoD UCNI and protect it from unauthorized dissemination, consistent with the requirements of 10 U.S.C. 128 and this part.
2. (2) Advise the USD(I) on implementation of the DoD UCNI program.
3. (3) Designate a DoD UCNI reviewing official, who shall be authorized to determine that materials or documents contain, do not contain, or no longer contain DoD UCNI.
(c) The Director, Administration and Management shall provide guidance, as needed, to the Heads of the DoD Components regarding 5 U.S.C. 552, as implemented by 32 CFR part 286, as it applies to the DoD UCNI program.
(d) The Heads of the DoD Components shall identify DoD UCNI within their Component and protect it from unauthorized dissemination, consistent with the requirements of 10 U.S.C. 128 and this part.