Col. Diane DiFrancesco, 315th Aeromedical Evacuation Squadron commander, gives remarks during the dedication ceremony of the Master Sergeant Ronald A. Hall Aeromedical Evacuation Operations Facility Sept. 21, 2014 at Joint Base Charleston, S.C. The building was officially named after Master Sgt. Ronald Hall, who spent 24 of his 28 years in the Air Force as a member of the 315th Aeromedical Evacuation Squadron. After years of dedicated service to the military, Hall passed away in May 2011. (U.S. Air Force photo by Capt. Michaela Judge)