U.S. Air Force Senior Airman Patrick Corcoran, 755th Aircraft Maintenance Squadron propulsion technician, airbrushes a helmet for a friend at Davis-Monthan Air Force Base, Ariz., Oct. 30, 2013. Corcoran received a bachelor’s degree in fine art from the American Academy of Art in Chicago, but joined the Air Force to provide a stable life for his family. (U.S. Air Force photo by Airman 1st Class Betty R. Chevalier/released)