The Blue Angels will be roaring over San Francisco in advance of the earsplitting Fleet Week air show this weekend that is sure to wow spectators and rattle some nerves.

The Navy’s elite demonstration team will conduct survey flights intermittently Thursday afternoon over the waterfront. The team will practice Friday and perform Saturday and Sunday at 3 p.m.

Known to fly as close as 18 inches apart from wingtip to canopy, the six blue-and-gold F/A-18 Hornet jets will be the star performers for the 31st annual Fleet Week, which celebrates the military sea services.

The best place to watch the air show is from San Francisco’s Marina Green, Pier 39 or anywhere along the northern waterfront. City officials said they expect at least a million people to show up for Fleet Week and other weekend activities.

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