Airman 1st Class Nathan Landry, security forces response member at the 509th Security Forces Squadron, participates in the Combat Ready Defender course at Camp Guernsey, Wyoming, Feb. 15, 2022. CRD is a course designed to instruct Airmen how to manipulate weapon systems to effectively engage targets in a tactical environment and manage mental and physical stress. (U.S. Air Force photo by Airman 1st Class Charles Munoz)