U.S. Army Training and Doctrine Command (TRADOC) Pamphlet 525-3-1, The U.S. Army Operating Concept Win in a Complex World 31 October 2014 TRADOC Pamphlet 525-3-1 describes how future Army forces, as part of joint, interorganizational, and multinational efforts, operate to accomplish campaign objectives and protect U.S. national interests. It describes the Army's contribution to globally integrated operations, and addresses the need for Army forces to provide foundational capabilities for the Joint Force and to project power onto land and from land across the air, maritime, space, and cyberspace domains. The Army Operating Concept guides future force development through the identification of first order capabilities that the Army must possess to accomplish missions in support of policy goals and objectives.