SEATTLE (Aug. 3, 2007) -The U.S. Navy flight demonstration team, "Blue Angels," perform their delta formation during a 2007 Seattle Seafair event. The Blue Angels fly the F/A-18A Hornet, performing approximately 30 maneuvers during the aerial demonstration lasting over an hour. Seafair is Seattle's month-long traditional summer festival, which includes parades, amateur athletics, air shows and boat racing.