NASHVILLE, Tenn. (Aug. 18, 2016) – The repair fleet in the U.S. Army Corps of Engineers Nashville District, a mainstay of the Twin Rivers since the 1800s when crews first began opening the region’s waterways to navigation onboard canoes, flatboats and keelboats, is marking the end of an era as people and resources are reorganized into a regional light fleet Oct. 1, 2016.