- TC 3-21.5Publication
Drill and Ceremonies
TC 3-21.5 is the Army's drill and ceremonies manual: individual and unit drill, the manual of arms, and the sequence for formations, reviews, and ceremonies. It is the single most quoted publication at promotion boards after the leadership doctrine. The May 2021 edition supersedes the January 2012 version.
- FM 4-0Publication
Sustainment Operations
FM 4-0 is the Army's manual for planning and executing sustainment operations at echelon. It carries the detail behind ADP 4-0: how sustainment units are organized, how support is planned, and how the force is sustained through large-scale combat. The March 2026 edition is one of the newest publications in the Army's doctrine library.