Kirk McKinley, 733d Civil Engineer Division fire department assistant chief of training, communicates over the radio during a training exercise Sept. 24, 2020, at Felker Army Air Field, Joint Base Langley-Eustis, Virginia. Command and control is a critical aspect of emergency management, ensuring all first responders such as police, medics and firefighters remain on the same page. (U.S. Air Force photo by Staff Sgt. Joshua Magbanua)