Defending what you can’t see
Ruben Gawan, son of Chief Master Sgts. Lori and Phillip Gawan, takes the oath of enlistment Nov. 2, 2013, Incirlik Air Base, Turkey. After 19 years of traveling around the globe with his parents as a military dependent he has decided to enlist in the Air Force. (U.S. Air Force photo by Senior Airman Chase Hedrick/Released)