Master at Arms Seaman Apprentice Dillon Statler, Naval Security Force Pittsburgh, and Staff Sergeant David Griggs, 911th Security Forces, Pittsburgh International Airport Air Reserve Station, prepare to clear a room during a joint service active shooter training exercise, Dec. 6, 2013 held at the Pennsylvania Air National Guard’s 171st Air Refueling Wing’s “shoot house.” (Photo courtesy of SrA Shawnee Fair, 911th Security Forces)