13B is the U.S. Army’s Cannon Crewmember role, responsible for operating and maintaining field artillery systems to support ground combat operations. Staff Sgt. Tyler Robinson, Staff Sgt. Patrick Block, and Sgt. 1st Class Douglas Fulcher, Cannon Crewmember assigned to the 1st Battalion, 41st Field Artillery Regiment, 1st Armored Brigade Combat Team, 3rd Infantry Division discuss a typical day in the life of a 13B, what makes their Military Occupational Specialty (MOS) so special, and some encouraging words to future Soldiers interested in joining this MOS on Fort Stewart, Georgia, August 14, 2026. About the U.S. Army: The Army Mission – our purpose – remains constant: To deploy, fight and win our nation’s wars by providing ready, prompt & sustained land dominance by Army forces across the full spectrum of conflict as part of the joint force. Interested in joining the U.S. Army? Visit: spr.ly/6001igl5L Connect with the U.S. Army online: Web: army.mil Facebook: www....