The 4th Operations Group (4 OG) is the flying component of the 4th Fighter Wing, assigned to the United States Air Force Air Combat Command. The group is stationed at Seymour Johnson Air Force Base, North Carolina. The 4 OG is a direct descendant of the World War II 4th Fighter Group, the United States Army Air Forces VIII Fighter Command unit formed from the members of the Royal Air Force (RAF) Eagle Squadrons. The fighter squadrons of the Royal Air Force formed prior to the United States entry into World War II with volunteer pilots from the United States.