170805-N-ZP059-537 SEATTLE (Aug. 5, 2017) The U.S. Navy flight demonstration squadron, the Blue Angels, fly in formation over Lake Washington during Seattle's 68th annual Seafair Fleet Week. Seafair Fleet Week is an annual celebration of the sea services where Sailors, Marines and Coast Guard members from visiting U.S. Navy and Coast Guard ships and ships from Canada make the city a port of call. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jacob G. Sisco/Released)