to register for an atrrs course catalog, you’ll need to use your cac (common access card). Follow these steps to access the course catalog and enroll in your chosen. You will need to create an. Enter course number or the. the army’s atrrs course catalog is a comprehensive online resource for upcoming soldiers. It contains information about courses, manpower needs, and class schedules. follow these instructions to register for an atrrs course: Click on self development in the atrrs channels directory. Put course number or course title in appropriate search.
