Publication index
ADP 4-0
Sustainment
ADP 4-0 is the Army's foundational sustainment publication. It covers the elements of sustainment -- logistics, financial management, personnel services, and health service support -- and the principles that govern them. The March 2026 edition sets the framework that FM 4-0 and the rest of the 4-series fill in.
Open the official record- Type
- ADP
- Edition verified
- March 2026
- Used in
- Supply
What to take from it
- Sustainment has four elements: logistics, financial management, personnel services, and health service support.
- Sustainment enables freedom of action, extends operational reach, and prolongs endurance.
- Sustainment is a warfighting function, planned from the start of the operation.
- Establishes the framework detailed in FM 4-0, Sustainment Operations.
- Supersedes ADP 4-0 dated 31 July 2019; study material citing three elements of sustainment is out of date.
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.