The advanced individual training courses at Fort Sill prepare a soldier to become a cannoneer crewman, field artillery tactical data systems specialist, fire support specialist, multiple launch rocket system crewmember, multiple launch rocket system operations and fire direction specialist, field artillery firefinder radar operator, or field artillery surveyor and meteorological crewmember. Each of these specialties is known as a military occupational skill, or MOS.
AIT differs from basic combat training in that it is a continuation of what is known as the "soldierization" process; the focus in AIT shifts from the basic skills needed to function in military life to learning more about the soldier's chosen occupational skill. The MOS AIT courses vary in length from five weeks and four days to 10 full weeks.
In addition to receiving training in their chosen MOSs, soldiers who go through AIT at Fort Sill also learn other important skills. AIT continues what is known as the "soldierization" process, teaching former civilians the skills they need to be successful in military life. Physical fitness is a primary focus of AIT, along with the instruction of Army values and attention to detail. Coping with stress is one of the biggest challenges facing a soldier, so this is also part of AIT, along with the completion of warrior tasks and battle drills.