Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.United States Air Force Security Forces (AFSC Enlisted: 3P0XX, formerly 771XX and 811XX; Officer: 31PX), formerly named Air Police (1948), then Security Police (April 1967) are the military police and the air base ground defense forces of the United States Air Force. Following completion of basic training, airmen in this career field go through 13 weeks of technical training at Lackland Air Force Base, Texas, with the 343rd Training Squadron, known as the Security Forces Academy.