Proper Fit Navy Lt. Joseph Cahill, neurologist at Naval Hospital Pensacola, observes the fit of a helmet on Ron Jay, 5, at an elementary school in Pensacola, Fla., March 4, 2017. Sailors from the hospital's neurology department and graduate students from a local behavioral medicine clinic visited the school to promote helmet safety to children and their parents. Navy photo SHARE IMAGE: Download Image: Full Size (1.14 MB) Photo By: Navy photo VIRIN: 170304-N-TF029-004C.JPG Photo Gallery