A Coast Guard 64-foot Special Purpose Craft-Screening Vessel from Maritime Force Protection Unit in Bangor, Wash., is pictured crossing through the Hood Canal Bridge during exercise Northern Vindicator, Sept. 23, 2015. The SPC-SV, a Navy-owned vessel operated by Coast Guard crews, is used to escort submarines to and from Naval Base Kitsap-Bangor. (U.S. Coast Guard photo by Petty Officer 3rd Class Amanda Norcross)