Night fighter
Night fighter training, using Northrop P-61s, was moved to Hammer Field in January 1944, initially with the 481st Night Fighter Operational Training Group, replaced by the 319th Wing in May 1944. Training for the Bell P-59 Airacomet was added to the 319th mission in 1944, as well, confirmed Col. Ralph H. Snavely, commanding officer of the 319th Wing.