Drill Sgt. (Staff Sgt.) Chris Vaughn, D Battery, 1st Battalion, 40th Field Artillery, takes a commanding lead in the 300-meter shuttle run at the end of the Iron Axe event, Dec. 11, 2013, at Fort Sill, Okla. There were five other parts to the event, and Vaughn won over four other drill sergeants. He received a Gauntlet Axe with his name engraved and the battalion and brigade coin on each side.