161008-N-LC424-736 SAN FRANCISCO (Oct. 8, 2016) U.S. Navy Blue Angels fly in formation during an air show at San Francisco Fleet Week. Fleet week offers the public an opportunity to meet Sailors, Marines, and members of the Coast Guard and gain a better understanding of how sea services support the national defense of the United States and freedom of the seas. (U.S. Navy photo by Seaman Tarra Gallagher/Released)