160504-N-NI474-425 LINCOLN, Neb. (May 4, 2016) U.S. Navy Flight Demonstration Squadron, the Blue Angels, conduct aerial refueling operations with a KC-135R Stratotanker from the 155th Air Refueling Wing, Nebraska National Guard, in transit to Lincoln, Nebraska for the Guardians of Freedom Airshow. The Blue Angels are currently celebrating their 70th show season and are schedules to perform 66 demonstrations at 34 locations across the U.S. in 2016. (U.S. Navy photo by Mass Communication Specialist 2nd Class Daniel M. Young/Released)