MCCHORD FIELD, Wash. – Preparing to pledge their oath of enlistment, 120 new Airmen and Soldiers get ready for an enlistment ceremony administered by the U.S. Air Force Thunderbirds during the Joint Base Lewis-McChord Air Expo 2012 here, July 21. The recruits pledged their oath of enlistment in front of thousands of patriotic onlookers. The oath of enlistment is a solemn vow all members of the Armed Forces take dedicating their commitment to their nation. (U.S. Air Force photo by Staff Sgt. Larry E. Reid Jr.)