National Guard conducts security assistance exercise at Old Hickory Dam
Corps of Engineers and Tennessee National Guard officials escort Maj. Gen. Jeffrey H. Holmes, deputy adjutant general for the Tennessee National Guard, to a security checkpoint at the Old Hickory Dam during a site visit to the facility during a security assistance exercise in Hendersonville, Tenn., June 20, 2016. The general visited soldiers participating in the exercise and received an update from the platoon leader in charge of protecting the power plant and switchyard.