FORT LEAVENWORTH, Kan. -- New York Army National Guard Col. Mark Leahey, the Chief of Fires for the 42nd Infantry Division Headquarters, based in Troy, N.Y., uses Voice Over Internet Protocol to discuss targeting during a Warfighter simulation briefing June 12, 2013 at the Mission Training Complex, Ft. Leavenworth, Kansas. Soldiers of the 42nd Infantry Division Headquarters began a corps-level Warfighter training exercise here at the Mission Training Complex (MTC) June 2, 2013.