Multi Capable Airman Expeditionary Skills Training
U.S. Air Force Airman 1st Class Chase Johnson, 355th Component Maintenance Squadron electronic warfare journeyman, lays prone behind a sandbag fortification while participating in tier one of the Multi-Capable Airmen Expeditionary Skills Training at Davis-Monthan Air Force Base, Arizona, Dec. 9, 2022. The MCA training serves as a stepping stone as the Air Force shifts the Agile Combat Employment doctrine to a service-wide priority rather than a concept. ACE is a proactive operational strategy put to use during wartime efforts to increase survivability while generating combat power. (U.S. Air Force photo by Airman 1st Class Zachary Nordheim)