U.S. service members participate in a joint weapons familiarization course at Udairi Range, Kuwait, Dec. 26, 2019. U.S. Army soldiers and U.S. Air Force Airmen fired through small arms tactical movements, weapons posture and base defense planning exercises while familiarizing with weapons such as the M9 and M4. (U.S. Air Force photo by Senior Airman Lane T. Plummer)