SOI-W, through Marine Combat Instructors, trains and develops entry-level Marines in common combat skills and initial Military Occupational Specialty (MOS) training for: Infantry, Scout Sniper, Amphibious Reconnaissance, Light Armored Reconnaissance as well as advanced infantry skills in order to meet force generation and Fleet Marine Force requirements, while reinforcing our warfighting ethos and facilitating the strengthening of our students, permanent personnel, and families.