Can't see, can't fight
U.S. Air Force Capt. (Dr.) Lynh Nguyen, 20th Aerospace Medical Squadron optometry flight commander, uses a slit lamp to inspect the eyes of Airman 1st Class Emma Makransky, 20th Force Support Squadron food service specialist, at Shaw Air Force Base, S.C., May 29, 2014. The 20th AMDS Optometry Clinic currently has two doctors responsible for approximately 14,000 Tricare beneficiaries. (U.S. Air Force photo by Airman 1st Class Michael A. Cossaboom/Released)