The air show kicked off Saturday just after 12 p.m., although the main show started at 3 p.m.
RELATED: SCHEDULE: San Francisco Fleet Week 2018
That's when the Blue Angels took flight, showing off the incredible maneuvers of the Navy demonstration squad.
White smoke trailed from the jets, as they flew together in tight formations, performed opposing knife-edge passes and generally wowed the crowds gathered at San Francisco's Marina Green and elsewhere.
RELATED: PHOTOS: Fleet Week 2018 in San Francisco
The Blue Angels team was formed in 1946. It's the second oldest aerobatic team in the world, formed 15 years after a different team in France.