Senior Airman Derrick Carosello, 2nd Security Forces Squadron installation patrolman, fires an M18 Modular Handgun System at the Red River Range in Shreveport, La., Nov. 20, 2019. The M18 is a shorter, more compact weapon replacing the M9 Beretta. (U.S. Air Force graphic by Senior Airman Tessa B. Corrick)