181021-N-UK306-1218 HOUSTON (Oct. 21, 2018) Diamond pilots assigned to the U.S. Navy Flight Demonstration Squadron, the Blue Angels, perform the “double farvel” during a demonstration at The Wings Over Houston Airshow at Ellington Airport, Oct. 21, 2018. The Blue Angels are scheduled to perform more than 60 demonstrations at more than 30 locations across the U.S. and Canada in 2018. (U.S. Navy photo by Mass Communication Specialist 2nd Class Timothy Schumaker/Released)