Brad Tinnon, Action Arts Academy tae kwon do instructor, teaches Killian Smith, son of Army Spc. Daniel Smith, 419th Transportation Battalion, how to break a board with his fist during the Family Fun Day event inside the Shellbank Fitness Center at Langley Air Force Base, Va., April 2, 2011. The event was held to promote fitness within the military community and strengthen families while having fun. (U.S. Air Force photo by Staff Sgt. Ashley Hawkins/Released)