The 312th Aeronautical Systems Group (312 ASG) is a component of the United States Air Force 312th Aeronautical Systems Wing. It is stationed at Wright-Patterson Air Force Base, Ohio and is assigned to Air Force Material Command (AFMC).The unit's World War II predecessor unit, the 312th Bombardment Group, operated primarily in the Southwest Pacific Theater as an A-20 Havoc light bomber unit assigned to Fifth Air Force.