Students in the Contingency Training Skills (CST) course look for Opposing Forces (OPFOR) who may attack at any moment. The CST course is taught by the 421st Combat Training Squadron (CTS), Air Mobility Warfare Center (AMWC), at Fort Dix, New Jersey (NJ), to prepare the students for future deployments in a combat environment. Students are training with 5.56 mm M16A2 Automatic Rifles and 5.56 mm M249 Squad Automatic Weapons (SAW)