Staff Sgt. Christopher Keller, 436th Security Forces Squadron combat arms instructor, stands behind a marksmanship target riddled with bullet holes Nov. 8, 2021, at Dover Air Force Base, Delaware. Keller is one of five instructors at the Dover AFB Combat Arms Training and Maintenance facility. (U.S. Air Force photo by Mauricio Campino)
Tech. Sgt. Justin Block, 436th Security Forces Squadron combat arms noncommissioned officer in charge , holds an M4 carbine Nov. 8, 2021, at Dover Air Force Base, Delaware. The M4 is one of 10 weapons systems fired at the Dover AFB Combat Arms Training and Maintenance facility. (U.S. Air Force photo by Mauricio Campino)
Staff Sgt. Christopher Keller, 436th Security Forces Squadron combat arms instructor, counts boxes of 5.56mm ammunition Dec. 17, 2021, at Dover Air Force Base, Delaware. Keller is one of five instructors at the Dover AFB Combat Arms Training and Maintenance facility. Each person receiving training is allotted an exact number of rounds to use during qualification. (U.S. Air Force photo by Mauricio Campino)
Staff Sgt. Jose Bracero-Camareno, 436th Security Forces Squadron combat arms instructor, takes aim through the sights of an M4 carbine Nov. 8, 2021, at Dover Air Force Base, Delaware. Each year approximately 1,700 personnel receive training and qualification at the Dover AFB Combat Arms Training and Maintenance facility. (U.S. Air Force photo by Mauricio Campino)
Senior Airman Troy Cramer, 436th Security Forces Squadron member, loads rounds of 9mm ammunition into a magazine before combat arms qualification Dec. 17, 2021, at Dover Air Force Base, Delaware. Each person receiving training is allotted an exact number of rounds to use during qualification. (U.S. Air Force photo by Mauricio Campino)
Staff Sgt. Jose Bracero-Camareno, 436th Security Forces Squadron combat arms instructor, fires an M4 carbine Nov. 8, 2021, at Dover Air Force Base, Delaware. The M4 is one of 10 weapons systems fired at the Dover AFB Combat Arms Training and Maintenance facility. (U.S. Air Force photo by Mauricio Campino)
Staff Sgt. Christopher Keller, 436th Security Forces Squadron combat arms instructor, assists a student during combat arms qualification Dec. 17, 2021, at Dover Air Force Base, Delaware. Students qualifying with a 9mm pistol fire from both standing and kneeling positions. (U.S. Air Force photo by Mauricio Campino)
Tech. Sgt. Justin Block, 436th Security Forces Squadron combat arms noncommissioned officer in charge, fires an M18 pistol Nov. 8, 2021, at Dover Air Force Base, Delaware. Each year approximately 1,700 personnel receive training and qualification at the Dover AFB Combat Arms Training and Maintenance facility. (U.S. Air Force photo by Mauricio Campino)
Master Sgt. Ritchie Brown, 436th Security Forces Squadron flight chief, secures his 9mm pistol to a tactical holster before combat arms qualification Dec. 17, 2021, at Dover Air Force Base, Delaware. Each member of the 436th SFS qualifies annually with an M4 carbine and a 9mm pistol. (U.S. Air Force photo by Mauricio Campino)
Ammunition casings litter the floor around a combat arms instructor’s feet during live fire combat arms qualification Dec. 17, 2021, at Dover Air Force Base, Delaware. All empty brass casings are collected each day for recycling. (U.S. Air Force photo by Mauricio Campino)
Staff Sgt. Christopher Keller, 436th Security Forces Squadron combat arms instructor, counts bullet holes on a target to determine a student’s combat arms qualification score Dec. 17, 2021, at Dover Air Force Base, Delaware. Students who fail qualification are offered additional instruction and another attempt to qualify. (U.S. Air Force photo by Mauricio Campino)
Staff Sgt. Christopher Keller, 436th Security Forces Squadron combat arms instructor, fires an M4 carbine Dec. 20, 2021, at Dover Air Force Base, Delaware. Keller is one of five instructors at the Dover AFB Combat Arms Training and Maintenance facility. Each instructor is allotted ammunition to practice throughout the year and maintain their skill level. (U.S. Air Force photo by Mauricio Campino)