 Additionally, Van Antwerp exercised Department of the Army directed executive agent authority over the United States Military Entrance Processing Command.Command assignments include CO, 326th Engineer Battalion, 101st Airborne Division (Air Assault) during the Gulf War; U.S. Army Maneuver Support Center and Fort Leonard Wood/Commandant, U.S. Army Engineer School; CO, Los Angeles District, U.S. Army Corps of Engineers during the Northridge earthquake of 1994; CG, South Atlantic Division, U.S. Army Corps of Engineers, Atlanta, Georgia.Other assignments include Chief of Staff, U.S. Army Corps of Engineers; Assistant Chief of Staff for Installation Management, Washington, DC; Director, Office of Competitive Sourcing, Office of the Assistant Secretary of the Army (Research, Development and Acquisition), Washington, DC; Executive Assistant to the Vice Chairman of the Joint Chiefs of Staff, Washington, DC; Executive Office, Office of the Chief of Engineers, Washington, D.C.; Chief, Military Engineering and Construction Division, U.S. Army Western Command, Fort Shafter, Hawaii; Executive Officer, 84th Engineer Battalion, 45th General Support Group, Schofield Barracks, Hawaii; and Instructor, Department of Mechanics, U.S. Military Academy, West Point, New York.