Chaplain (Lt. Col.) Karis Graham performs a Lutheran liturgical service during May's Unit Training Assembly at the Niagara Falls Air Reserve Station, N.Y. After leaving the U.S. Navy and becoming an Airman, Graham was a pastor stateside, worked overseas in active duty status, and for the past several years has served as part of the Honor Guard at Arlington National Cemetery. (U.S. Air Force photo by Tech Sgt. Andrew Caya)