Book excerpt: Over 1,400 pages covering the following primary topics: URBAN OPERATIONS BREACHING DEMOLITIONS ANTI-ARMOR WARFARE WEAPONS TRAINING, MAINTENANCE & MARKSMANSHIP MACHINE GUNS PATROLLING INFANTRY TACTICS AND TECHNIQUES NBC COMMUNICATIONS MORTARS ... and more Following Recruit Training, the School of Infantry is the second stage of training for all Infantry Military Occupational Specialty (MOS) Enlisted Marines and marks the transition from entry-level Marines to combat-ready Marines. At SOI, Marines who have recently graduated from recruit training continue their education and training to become more proficient in the fundamentals of being a rifleman. Marines with a Military Occupational Specialty (MOS) of infantry are trained at the Infantry Training Battalion (ITB), while all non-infantry Marines are trained at the Marine Combat Training Battalion (MCT). There are two Schools of Infantry: Camp Geiger located in North Carolina and Camp Pendleton in California. The primary role of the School of Infantry is to ensure, first and foremost, that "every Marine a rifleman." All Marine Corps assets exists to support the rifleman on the ground, and every Marine is prepared to do whatever it takes to ensure the safety of the Marines to their left and right. Regardless of MOS, the ITB mission ensures every Marine has the capability to fulfill his or her duties while operating in a combat environment.