Alaska Air National Guard Tech. Sgt. Brian Sears, a Combat Arms Training and Maintenance instructor with 176th Security Forces Squadron, supervises Airmen of 176th SFS during an M4 carbine course of fire Aug. 27, 2020, at Joint Base Elmendorf-Richardson. CATM instructors are specially trained Security Forces Defenders who train others to ably employ small arms. (U.S. Air National Guard photo by David Bedard/Released)