U.S. Air Force participants, Air Education and Training

U.S. Air Force participants, Air Education and Training Command, rally for the bag drag portion during Air Force Defender Challenge 2018, Joint Base San Antonio-Camp Bullis, Texas, Sept. 10, 2018. Fourteen Security Forces teams from U.S. Air Force major commands, United Kingdom and Germany test their skills in realistic weapons scenarios, simulated dismounted operations and grueling combat endurance events as part of Air Force Defender Challenge. The team with the most combined points wins the coveted Defender Challenge Championship Trophy. (U.S. Air Force photo by Sarayuth Pinthong)