190213-A-SO401-2047
In the background, the USS Mobjack, a motor torpedo boat tender commissioned in the Navy from 1943 to 1946, is moored at the location of Great Bridge Lock along the Atlantic Intracoastal Waterway, Chesapeake, Virginia, Feb. 13, 2019. The U.S. Army Corps of Engineers is slated to replace three of eight chamber valves along the AIWW. (U.S. Army photo by Andria Allmond)