Air Force Reservist Master Sgt. Eric Sellers, 512th Aerospace Medicine Squadron laboratory services NCO in charge, examines a microbiotic samples under the microscope. As a laboratory technician, Sergeant Sellers tests and analyzes specimens using scientific laboratory techniques to aid in the diagnosis, treatment and prevention of diseases. The sergeant is an avid comic book fan and assisted in the production of a magazine that highlights the work of comic illustrator George Perez. All proceeds benefit the Wounded Warror Project. (U.S. Air Force photo/Capt. Marnee A.C. Losurdo)