U.S. Air Force Airman 1st Class Keh-Turrah Bell, 423rd Security Forces Squadron (SFS) combat arms training and maintenance (CATM) instructor in training, ties together a 550 cord during a M18 handgun qualification course at RAF Molesworth, England, July 28, 2020. During the course, CATM instructors taught Airmen from the 423rd SFS about the M18 and instructed about its various functions and overall benefits such as improved ergonomics, target acquisition, reliability and durability to increase shooter lethality. The M18 Sig Sauer Modular Handgun System will be replacing the M9 Beretta which has been in use for over 30 years. (U.S. Air Force photo by Senior Airman Eugene Oliver)