Lieutenant Colonel Sonny B. Avichal commanded the Nashville District, U.S. Army Corps of Engineers, from June 28, 2019, to July 1, 2021. As Commander and District Engineer, Lieutenant Colonel Avichal managed the water resources development and navigable waterways operations for the Cumberland and Tennessee River basins covering 59,000 square miles, with 42 field offices touching seven states and a work force of over 700 employees. Before assuming command of the Nashville District, Lieutenant Colonel Avichal served as the Deputy Commander of the New England District, U.S. Army Corps of Engineers, since June 15, 2017.