This Marine Corps publication, FM 6-50 MCRP 3-10E.3 (Formerly MCWP 3-16.3) Tactics, Techniques, and Procedures for the Field Artillery Cannon Battery May 2016, is designed primarily for the cannon battery. It is a how-to-train manual intended to provide general guidance to the commander and his principal subordinates. It is designed for battery leaders and sets forth suggested duties and responsibilities of key personnel and addresses doctrine and procedures for cannon battery operations and training, It is based on current tables of organization and equipment (TOE) and provides a starting point from which each commander can adjust his battery operations and training based on his modification tables of organization and equipment (MTOE); actual personnel and equipment till; local training scenario; and mission, enemy, terrain, troops, and time available (METT-T).