180308-N-ZC358-218 EL CENTRO, Calif. (March 8, 2018) Maintainers assigned to the U.S. Navy flight demonstration squadron, the Blue Angels, prepare to fuel a jet prior to a practice demonstration. The Blue Angels are scheduled to perform more than 60 demonstrations at more than 30 locations across the U.S. in 2018. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jess Gray/Released)