Guidance

Allied Joint Doctrine for Sustainment of Operations (AJP-4)

This publication is the keystone NATO doctrine for the conduct of sustainment in peace, crisis and conflict.

Documents

Details

Allied Joint Publication (AJP)-4, Allied Joint Doctrine for Sustainment of Operations (Edition C Version 1) provides guidance to commanders and staffs on the planning, execution, coordination and synchronisation of the sustainment of Alliance operations and missions.

This edition is published with UK national elements.

Who should read this publication

AJP-4 focuses on the operational level, although it also has utility at the strategic and tactical levels. In addition, the doctrine is instructive to, and provides a useful framework for operations conducted by a coalition of North Atlantic Treaty Organization (NATO) members, partners and non-NATO states. It also provides a reference for non-military actors.

Updates to this page

Published 3 September 2025
Last updated 29 January 2026 show all updates
  1. Updated PDF with UK national elements and bite-size doctrine.

  2. First published.

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