Joint Publication 1: Doctrine for the Armed Forces of the United States (July 12, 2017) [open pdf - 2MB]
Alternate Title: Joint Publication 1: Doctrine for the Armed Forces of the United States, 25 March 2013, Incorporating Change 1, 12 July 2017
"This publication is the capstone joint doctrine publication and provides doctrine for unified action by the Armed Forces of the United States. It specifies the authorized command relationships and authority that military commanders can use, provides guidance for the exercise of that military authority, provides fundamental principles and guidance for command and control, prescribes guidance for organizing and developing joint forces, and describes policy for selected joint activities. It also provides the doctrinal basis for interagency coordination and for US military involvement in multiagency and multinational operations."
Joint Chiefs of Staff, Joint Publication No. 1
Defense Technical Information Center: http://www.dtic.mil/