A U.S. Air Force Airman uses the new common access card system to enter their dorm room at Peterson Space Force Base, Colorado, August 4, 2021. Dorm residents will now be able to scan their CAC to gain access to their rooms, eliminating the need for individual keys. (U.S. Space Force photo by Airman 1st Class Brooke Wise) (This photo has been altered for security purposes by blurring out CAC card.)