From left to right, Jamie Holt, U.S. Army Corps of Engineers maintenance supervisor at Barkley hydropower plant, Maj. Gen. Jason E. Kelly, Deputy Commanding General for Civil and Emergency Operations, and Loren McDonald, USACE Nashville District hydropower support branch chief, discuss aging infrastructure challenges near one of the four hydropower turbine shafts during a tour of the facility in Grand Rapids, Kentucky, Nov. 14, 2024.