B-roll of U.S. Airmen with the 156th Security Operations Squadron, Puerto Rico Air National Guard and the 123rd Contingency Response Group, Kentucky Air National Guard, during an Air Base Ground Defense training at Muñiz Air National Guard Base, Carolina, Puerto Rico, Sept. 21, 2023. During the training, Airmen reinforced Air Base Ground Defense skills utilized during contingency response operations in contested environments by practicing radio communications, warning and operation orders, vehicle searches, vehicle take-downs, close-quarter battle, and small team tactics. (U.S. Air National Guard video by Master Sgt. Rafael D. Rosa) More