Marine Attack Squadron 543 (VMA-543) was an aviation unit of the United States Marine Corps. The squadron, also known as the “Night Hawks”, were part of the Marine Forces Reserve and were based at Naval Air Station Glenview, Illinois until their deactivation on April 1, 1974. Originally activated during World War II, they fought in the Battle of Okinawa as part of the Tactical Air Force. The squadron was credited with downing 15 Japanese aircraft during the war. Following the surrender of Japan, the squadron was deactivated only to be later reactivated as part of the Reserves. They were again deactivated in 1974 and remain in an inactive status today.