Supporting Arms Observer, Spotter and Controller — MCWP 3-16.6

Marine Corps Warfighting Publication (MCWP) 3-16.6, Supporting Arms Observer, Spotter, and Controller, provides the techniques and procedures for requesting and adjusting supporting arms. This publication provides techniques and procedures for requesting, adjusting, and controlling mortars, artillery, naval gunfire, and close air support. It is intended as a field reference for supporting arms observers (mortar and artillery forward observers, naval gunfire spotters, and forward air controllers) and as a study guide and field reference for personnel seeking information on supporting arms procedures.