The U.S. forces include the Army's 3rd Infantry Division and the Marine Corps' 1st Division.

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The Marine Corps has opened Infantry Officers Course for a pilot program to study how well women could perform in combat roles.

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Martin began planning his next career move in the Marine Corps, applying to teach again at the School of Infantry.

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Last year, two women tried to complete the Marine Corps' 13-week infantry officer's training course at Quantico, Va.

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The ITV is also an important component of the Expeditionary Fire Support System, which allows a mobile mortar system to provide long-range indirect fire support to infantry forces as part of the Marine Corps' "Ship to Objective Maneuver" doctrine.

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