Don Getty (Red Shirt), project manager for the Chickamauga Lock Replacement Project, briefs Brig. Gen. Richard G. Kaiser, U.S. Army Corps of Engineers Great Lakes and Ohio River Division commander, during a visit to the lock Aug. 8, 2015 in his capacity as a member of the Mississippi River Commission. The commission is on a low water inspection of the Tennessee River. Getty works in the U.S. Army Corps of Engineers Nashville District Project Planning Branch.