U.S. Department of Defense


Date of this Version


Document Type



The minimum unambiguous citation for this manual is: FM 35-54, 1990.


This manual supersedes FM 30-72, 1972, which is available in the UNL Digital Commons at:


Copies of the manual digitized were borrowed from the US Army Engineer Waterways Experiment Station, Vicksburg, MS, and from the Naval Postgraduate School, Monterey, CA.

Since the Army reuses manual names and titles, the date must be used to identify a particular manual unambiguously.


This manual contains a theoretical description of technical intelligence within US forces in the field. It contains a brief historical sketch of the evolution of technical intelligence and a description of national intelligence organizations and an explanation of the relationships between them.

It explains technical intelligence organization, operations, and responsibilities within a US command in the field. It contains extensive examples of documents and forms used in technical intelligence operations, a detailed foreign language recognition guide, an extensive list of abbreviations, and a detailed glossary.