170202-N-AW702-001 JACKSONVILLE, Fla. (Feb. 2, 2017) Lt. James Haddad, a physician at Naval Hospital Jacksonville’s internal medicine clinic, uses a stethoscope to listen to a patient’s lungs. Navy physicians practice in over 30 specialty and subspecialty areas, caring for our nation's active duty, families, and retirees worldwide. (U.S. Navy photo by Jacob Sippel/Released)