The 113th operated the Phantoms throughout the 1980s, retiring the Phantoms at the end of their service life in 1989. In turn, the 121st FS started receiving F-16A/B Fighting Falcons in September 1989. These were block 5 and 10 models coming from various regular USAF units converting to more modern F-16C/D models. The Wing retained its air defense and attack mission, however the early block 5 and 10 models really designed to do. In the air defense role these models lacked any BVR capability, limiting them only to close range combat with their gun and Sidewinder missiles. In the attack role these aircraft were able to deploy bombs, but with their smaller stabs the center of gravity of these aircraft was far from ideal making it quite a challenge for the pilots to fly these missions.