As a member of a field artillery howitzer battery, cannoneers prepare artillery pieces and equipment for movement, combat, and firing. They inspect and prepare ammunition for firing, and perform the various jobs incident to firing such as, laying for elevation and deflection, loading the piece, and handling ammunition
Prepare a position to receive or to emplace a howitzer, using hand and arm signals; Employ section equipment; emplace and recover collimator; emplace and recover the aiming posts; perform prefire checks; employ proper ammunition storage procedures on vehicles and howitzer position; set up and maintain the gun display unit (GDU).