314th Training Squadron By Mission: Develop combat-minded Airmen with world-class language skills. Vision: The cornerstone of language training and professionalism in the world’s greatest Air Force. Organization: The 314th Training Squadron is part of the 517th Training Group. The 314th Training Squadron, located at the Defense Language Institute-Foreign Language Center, Presidio of Monterey, California, trains more than two thousand Air Force enlisted students in foreign language skills across two geographically separated locations every year. The 314th also continuously develops ideal training methods and processes in order to build the best joint linguist warfighter ready for any future fight.