Senior Airman Patrick Gereben, 790th Missile Security Forces Squadron convoy response force leader, fires his M4 Carbine during a weapons proficiency course at the South Range of Camp Guernsey, Wyo., Oct. 16, 2012. The course was part of the 10-day Road Warrior exercise, designed to train Airmen on nuclear convoy operations. (U.S. Air Force photo by Senior Airman Jarad A. Denton/Released)