Staff Sgt. Trevor Paradise, 11th Security Forces Squadron patrolman, fires his M-4 carbine rifle during his yearly weapons qualifying class at the combat arms training facility at Joint Base Andrews March 2. In order to qualify on the M-4, personnel must complete the ten-phase TRQC (tactical rifle qualification course). Personnel must qualify on all course phases in order to arm-up as a security forces member. A total of 160 rounds are fired. (U.S. Air Force photo by Senior Airman Melissa V. Brownstein)