Staff Sgt. Raymond Billups, 11th Security Forces Group combat arms instructor, gives pointers to a Combat Arms Training and Maintenance (CATM) refresher-course student at the Andrews Firing Range Feb. 14. Refresher classes consist of students who need to re-qualify on their weapon for pre-deployment and security forces augmentee purposes. (U.S. Air Force photo/Airman 1st Class Lindsey A. Beadle)