337.1—Ordering DoD Directives, DoD Instructions, and Changes.
DoD Directives, DoD Instructions, and changes published in Chapter 2—Number Index section of DoD 5025.1-I, “DoD Directives System Annual Index” (except those issuances identified as classified) are available to the public and Government Agencies, at cost, from the National Technical Information Service, 5285 Port Royal Road, Springfield, VA 22161, telephone 703-487-4650.