Defenders serve as first line of defense for nuclear security at Malmstrom AFB
A driver hands their common access card to Airman 1st Class Matthew Baines, 341st Security Forces Squadron installation controller, Feb. 26, 2025, at Malmstrom Air Force Base, Mont. Installation controller duties and responsibilities can vary depending on the size and location of a given base, the security threat level and the time of day. However, their core focus remains on controlling access, maintaining order and ensuring the safety and security of the installation, personnel and resources. (U.S. Air Force photo by Senior Airman Mary Bowers)