Maj. Gen. William (Butch) H. Graham, U.S. Army Corps of Engineers commanding general for Civil and Emergency Operations, overlooks Heeter Geotechnical Construction crews excavating dirt and rock at the Kentucky Lock Addition Project Dec. 16, 2020 at Grand Rivers, Kentucky, where the U.S. Army Corps of Engineers Nashville District is constructing the new 110-foot by 1,200-foot navigation lock at the Tennessee Valley Authority project. (USACE Photo by Lee Roberts)