Occasionally, "31-28" is a typo for , which historically focused on military censorship and intelligence security. This manual is part of the 30-series (Intelligence) rather than the 31-series (Special Operations). Where to Find Authentic PDFs
This field manual is a fascinating piece of Cold War history. Unlike modern manuals that focus on technical specifications, FM 31-28 was designed to train U.S. soldiers on how to fight guerrilla wars.
FM 31-28 is a historical but highly respected field manual for extreme cold weather operations. While no longer current military doctrine, its PDF remains a valuable resource for survival skills, military history, and low-tech winter tactics. Always verify the revision date (pre-1990s) to ensure you are looking at the classic FM 31-28 and not a renamed newer publication.
Here is informative content regarding this specific manual:
If you need the file immediately, go to and search for the manual. Be aware that because these are scanned from physical copies, the file size can be large (sometimes 50MB+) due to the inclusion of maps and fold-out diagrams.