Air Force Records

Search the National Archives Catalog for Air Force Records

Search Air Force Records in the Access to Archival Databases (AAD)

Unidentified Flying Objects - Project BLUE BOOK

Air Force links provided by the Archives Library Information Center (ALIC)

Research in Military Records at the National Archives

Finding Aids

These are two versions of the same filing manual. Please note that Chapter 3 discusses "The Air Force System for the Arrangement of Records by Subject" with "File Codes" discussed in paragraph 15e. Appendix A gives the "Air Force Subjective Classification System".

• AFM 181-4, 20 February, 1958 and 3 October, 1966 (9.45 MB)
• AFM 181-4, Proposed Revision of AFM 181-4 (6.59 MB)