171008-N-IR734-135 SAN FRANCISCO (Oct. 8, 2017) The U.S. Navy flight demonstration squadron, the Blue Angels, perform the Line Abreast Loop manuver during the San Francisco Fleet Week Air Show 2017. The Blue Angels are scheduled to perform more than 60 demonstrations across the U.S. in 2017. (U.S. Navy photo by Mass Communication Specialist 1st Class Ian Cotter/Released)