Colonel Erik Hansen, 437th Airlift Wing commander, presents the Legion of Merit to Col. James Clavenna, 437th MXG outgoing commander, during the 437th MXG Change of Command ceremony, July 27, 2012, at Joint Base Charleston - Air Base, S.C. The medal is awarded for exceptionally meritorious conduct in the performance of outstanding services and achievements. (U.S. Air Force photo/ Staff Sgt. Katie Kieratz)