Rob David, son of fallen U.S. Air Force Maj. Ryan S. David, delivers a speech during the Building Dedication Ceremony in honor of his father and three other members of the Modular Airborne Fire Fighting System (MAFFS) seven crew at the North Carolina Air National Guard Base, Charlotte Douglas International Airport, June 9, 2019. The four Airmen tragically lost their lives seven years ago in the MAFFS seven accident while fighting fires in South Dakota. These Airmen are remembered with a building dedication ceremonies to honor their legacy for years to come.