Adm. Karl Schultz, Coast Guard commandant, explains to Lucille Roybal-Allard and Chuck Fleischmann, members of the House Committee on Appropriations Homeland Security subcommittee, the functionality of a floating dock during a congressional delegation visit to Coast Guard Base Ketchikan, Alaska, July 30, 2019 The 400-foot long floating dock was part of several base upgrades made to support the 154-foot Sentinel-class Fast Response Cutter such as the John McCormick. U.S. Coast Guard photo by Petty Officer 3rd Class Amanda Norcross.