A U.S. Air Force Airman assigned to the 4th Fighter Wing prepares to re-enlist at Seymour Johnson Air Force Base, N.C., Sept. 23, 2013. Chief Master Sgt. Shawn Lee, 4th Civil Engineer Squadron superintendent, encourages Service members to read their enlistment contracts and remember they live by a different set of rules and are held to a higher standard than civilians. (U.S. Air Force photo illustration by Airman 1st Class Brittain Crolley)