170922-M-RM236-231 SAN DIEGO (Sept. 22, 2017) The U.S. Navy Blue Angels prepare for their demonstration during the 2017 Marine Corps Air Station (MCAS) Miramar Air Show at MCAS Miramar, Calif. The air show showcases world-class civilian performers, military flight demonstration teams, capabilities of the Marine air-ground task force and celebrates the long-standing relationship with the local San Diego community. (U.S. Marine Corps photo by Sgt. Kristy Barrott/Released)