This Chairman of the Joint Chiefs of Staff (CJCS) manual, Joint Publication JP 3-40 Joint Counter Weapons of Mass Destruction November 2019, outlines countering weapons of mass destruction policy and strategy; discusses countering weapons of mass destruction activities and operations relation to the joint functions; describes the operational environment and operational framework; outlines a countering weapons of mass destruction strategic approach for planning; and examines how foundational and crosscutting activities and tasks, along with specialized tasks within and across the countering weapons of mass destruction organizing principles, logically group tasks to prevent or counter specific weapons of mass destruction threats.