This publication provides fundamental principles and guidance for planning, coordinating, and executing joint fire support across the range of military operations. It sets forth joint doctrine to govern the activities and performance of the Armed Forces of the United States in joint operations and provides the doctrinal basis for interagency coordination and for US military involvement in multinational operations. The foundations of joint fire support are based on the elements of combat power, the principles of joint operations, and joint functions. The elements of combat power are combined to provide the basis for the generation of overwhelming firepower. The fire support system has its roots in the firepower element of combat power. Joint fires are defined as fires delivered during the employment of forces from two or more components in coordinated action to produce desired effects in support of a common object Joint fire support is defined as joint fires that assist air, land, maritime, and SOF to move, maneuver, and control territory, populations, airspace, and key waters in support of the joint force commander's (JFC's) scheme of maneuver.