170603-N-AA484-006 CORONADO, Calif. (June 03, 2017) Builder 2nd Class Charles Scheck winces as Hospital Corpsman 3rd Class Gerich Curtom administers a flu shot at Naval Air Station North Island’s medical clinic. Reserve dental and medical units help ensure reservist Sailors are healthy, fit, and mission-ready. (U.S. Navy Photo by Mass Communication Specialist 1st Class Sean P. Lenahan/Released)