171002-N-XN518-058 SAN FRANCISCO (Oct. 2, 2017) San Francisco Mayor Ed Lee attends a Fleet Week San Francisco 2017 press conference on the flight deck of Wasp-class amphibious assault ship USS Essex (LHD 2). Fleet weeks provide an opportunity for the American public to meet their Navy, Marine Corps and Coast Guard team and experience America's sea services. Fleet Week San Francisco will highlight naval personnel, equipment, technology and capabilities with an emphasis on humanitarian assistance and disaster response. (U.S. Navy photo by Mass Communication Specialist 2nd Class Irwin Sampaga/Released)