The field manual, dated 1 December 1999 , is one of the most historically significant and sought-after documents in modern military doctrine. Originally classified as FOUO (For Official Use Only) , this manual laid the tactical groundwork for elite counter-terrorism and Close Quarters Battle (CQB) methodologies used by the U.S. Army Special Forces (Green Berets) just years before the global war on terror shifted permanently into urban environments.
The manual itself, , is the Army's doctrinal guide for SFAUC. It is a direct ancestor of the later FM 3-06.11, "Combined Arms Operations in Urban Terrain," which covers much of the same material. FM 31-28 was likely part of a larger series of Army field manuals from the 1990s that codified the lessons learned from operations in places like Mogadishu and prepared forces for the complex battlefields of the 21st century.
| Feature | FM 90-10-1 (Conventional) | FM 31-28 (SF Advanced) | |---------|----------------------------|--------------------------| | | Battalion/Company | ODA (12 men) or split-team (6 men) | | Support | Tanks, artillery, CAS on call | Organic small arms, limited air (SOF-specific) | | Logistics | Centralized supply lines | Cache-based, local procurement | | ROE | Force protection heavy | Precision engagement, low collateral damage | | Duration | Sustained combat | Short-duration, high-intensity raids (48-72 hrs) | The field manual, dated 1 December 1999 ,
USAJFKSWCS (U.S. Army John F. Kennedy Special Warfare Center and School) Special Warfare
The most intriguing part of the keyword is "FOUO." This acronym stands for It is crucial to understand that FOUO is not a national security classification (like Confidential, Secret, or Top Secret). Instead, it is a "handling instruction" used for sensitive, but unclassified, information. The manual itself, , is the Army's doctrinal guide for SFAUC
Multiple official US Marine Corps training references list "FM 3-05.221 Special Forces Advanced Urban Combat" as a key reference document for advanced CQB and raiding operations. This confirms that the 1999 FOUO manual is not merely a historical artifact but remains a foundational text in the US military's professional library.
Avoiding doorways, hallways, and windows where enemy fire concentrates. | Feature | FM 90-10-1 (Conventional) | FM
FM 31-28 had a relatively short life as a standalone document. In the early 2000s, as part of a massive Army-wide doctrinal renumbering, it was superseded. The document that exists today as the primary source for this subject is .
Researchers face two major barriers:
By 2006, the manual was superseded by and later ATP 3-06.20 (Special Forces Urban Operations) . However, many core techniques migrated into the Special Forces Advanced Urban Combat (SF AUC) course taught at the 1st Special Warfare Training Group (Airborne).
The manual ensured that every Special Forces soldier, regardless of which group he was in, was trained to the same exacting standard of urban combat proficiency.