Maj. Gen. Mark Toy will assume command of the Mississippi Valley Division (MVD), U.S. Army Corps of Engineers (USACE) on July 23, 2019. Toy will also serve as president-designee of the Mississippi River Commission. Toy will serve as the senior military officer in the division, headquartered in Vicksburg, Mississippi, responsible for water resources engineering solutions in a 370,000-square-mile area, extending from Canada to the Gulf of Mexico and encompassing portions of 12 states.