The unit flew support for the Suez Canal and Hungarian crises. In August 1956, the squadron began training to convert to the North American F-100 Super Sabre. The conversion was completed by 2 April 1957. However, the squadron flew the "Hun" for less than a year. On 10 December 1957, the 49th Fighter-Bomber Wing moved from Japan on paper to replace the 388th Wing, The 563d was inactivated and its mission, personnel and aircraft transferred to the 9th Fighter-Bomber Squadron.