Publication index
FM 4-0
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.
Open the official record- Type
- FM
- Edition verified
- March 2026
- Used in
- Supply
What to take from it
- Details how sustainment is planned and executed across the strategic, operational, and tactical levels.
- Covers sustainment support to large-scale combat operations, including support area operations.
- Explains the roles of theater sustainment commands, expeditionary sustainment commands, and sustainment brigades.
- Published March 2026; expect subordinate ATPs to be updated behind it.
These points are our summary, written for recall. They are not a substitute for the publication and they will not cover everything a board can ask. Read the source.