FM 3-50 Army Personnel Recovery, is the Army's doctrinal publication for personnel recovery. It presents doctrinal guidance and direction for Army personnel recovery operations and is the foundation for developing tactics and techniques, handbooks, and unit standard operating procedures (SOPs). It provides operational direction for commanders, staffs, and trainers at all echelons, from company to theater army. This doctrine helps ensure all echelons of the Army organize, train, and equip to conduct personnel recovery and prevent isolating events. The principal audience for FM 3-50 is Army commanders and staffs responsible for the planning, preparation, execution, and assessment of personnel recovery operations. This publication provides guidance for other Service commanders and staffs who command and work with Army forces.