Master Sgt. Norman Watson fits a protective mask to a student's helmet prior to the final field training exercise held Dec. 20 for the Common Battlefield Airman Training Bridge course at Camp Bullis, Texas. Students fire training rounds with projectiles filled with detergent as part of a combat scenario focusing on reaction to enemy contact. Sergeant Watson is the CBAT-B course superintendant. (U.S. Air Force photo by Staff Sgt. Beth Del Vecchio)
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