190309-N-UK306-1012 EL CENTRO, Calif. (March 9, 2019) The U.S. Navy Flight demonstration squadron, the Blue Angels, fly in the delta formation over the Imperial Valley, March 9, 2019. The Blue Angels are conducting winter training at Naval Air Facility El Centro, California, in preparation for the 2019 show season. The team is scheduled to conduct 61 flight demonstrations at 32 locations across the country to showcase the pride and professionalism of the U.S. Navy and Marine Corps to the American public in 2019. (U.S. Navy photo by Mass Communication Specialist 2nd Class Timothy Schumaker/Released)