Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff and the nation's top military officer, hands a coin to Air Force Reserve Col. Jon Huguley, 446th Maintenance Group commander, June 19 after a briefing in Hangar 9. During the briefing, Admiral Mullen thanked Airmen and family members for their contributions, outlined some changes and challenges the military will face in the future and discussed the importance of leadership. (U.S. Air Force photo/Abner Guzman)