by Navy Medicine | 04 March 2016 U.S. Navy photos by Jacob Sippel, Naval Hospital Jacksonville Public Affairs [caption id="attachment_10195" align="aligncenter" width="659"] Hospital Corpsman 3rd Class Adam Leal, right, Naval Hospital Jacksonville Tactical Combat Casualty Care (TCCC) instructor, shows?Culinary Specialist 3rd Class Todd Gullickson, a Sailor attached to USS West Virginia (SSBN 736 Blue Crew), how to establish an airway on a trauma trainer mannequin. Combat care training includes brain injury. Navy medicine is a leader in the awareness, treatment and research of brain injuries. The Tactical Combat Casualty Care (TCCC) course provides Sailors and Marines with knowledge and skills to provide medical care in a combat environment. Casualty care on the battlefield must be the best possible combination of good small-unit tactics and good medicine. This includes the initial, pre-hospital care for brain injury -- the result of a blow or jolt to the head that disrupts normal function of the brain.? From 2000 to 2014, almost 314,000 service members sustained a traumatic brain injury in both training and combat -- 83 percent were mild.? Navy medicine is a leader in the awareness treatment and research of brain injuries. [caption id="attachment_10196" align="alignleft" width="685"] A Naval Hospital Jacksonville hospital corpsman maneuvers through an obstacle course, while carrying a mock patient, to simulate operating in a combat environment as part of the hospital's Tactical Combat Casualty Care (TCCC) course. TCCC trains Sailors to provide life-saving medical care on the battlefield. This includes care for brain injuries. Navy Medicine is a leader in the awareness, treatment and research of brain injuries. [caption id="attachment_10197" align="aligncenter" width="677"] Seaman Ru Lui treads through water during a field training exercise at Naval Hospital Jacksonville's Tactical Combat Casualty Care (TCCC) course. TCCC trains Sailors to deliver pre-hospital casualty management in combat and tactical environments. This includes care for traumatic brain injury-the result of a blow or jolt to the head that disrupts the normal function of the brain.