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Army Training -- MOS 11B, Infantryman


U.S. Army infantry recruits tackle the confidence course on their fifth day of one station unit training on Fort Benning, Ga., Nov. 3, 2009.
Kristin Molinaro/United States Army/Public Domain

Initial Training Overview:

Initial Training in this MOS is primarily conducted through One Station Unit Training (OSUT), which combines basic training and job training into one single course of instruction. OSUT for 11B, Infantryman is 13 weeks, 3 days at Fort Benning, Georgia.

Additional Training Information:

Specific formal training opportunities for this MOS, including advanced training courses available at specific points of the soldier's career, can be found on the Army Training Requirements and Resources System (ATRRS) Web Site.


During Basic Training and Advanced Individual Training (AIT), the Army limits a soldier's personal freedom, using a "Phase System," which grants increased freedom, based upon phase of training. For details, see Army Training Phase Restrictions.

Training Details:

Job training for Infantryman requires 13 weeks, three days of One Station Unit Training (OSUT) which includes Basic Training and Advanced Individual Training. The training will take place primarily in the field, with some classroom training. Subjects include Landmine warfare, antiarmor techniques, M203 grenade launcher, machine guns, military operations on urban terrain and squad tactical training.

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