M4 qualification
U.S. Air Force Tech Sgt. Alex Wolters, 355th Security Forces Squadron combat arms training and maintenance instructor noncomisioned officer in charge , has the sights adjusted on his m4 carbine at Davis-Monthan Air Force Base, Ariz., April 13, 2018. CATM instructors ensure the safe and effective operation of a variety of weapon systems and ensure D-M airmen are qualified and deployment ready. (U.S. Air Force photo by Michael X. Beyer)