The U.S. Navy’s Blue Angels kicked off day one of San Francisco’s Fleet Week Friday, October 6, 2017 with an air show with appearances by the Canadian Snowbirds, the Navy Leap Frogs, Team Oracle and many others. Spectators watched from below while enjoying festival attractions on the Marina Green in San Francisco’s Marina District. Fleet Week continues with daily scheduled events through Monday, October 9. Photos by Daniel Kim/Special to S.F. Examiner.