U.S. Air Force Staff Sgt. Chase Henry, 375th Civil Engineer Squadron engineering journeyman, and Airman 1st Class Tracey Barnes, 375th CES ops management journeyman, are gaining knowledge on M4 specifics at Scott Air Force Base, Illinois on April 9, 2024. In the coming weeks, 45 carefully chosen Airmen from the 375th CES and 375th Force Support Squadron will be heading to Florida to take part in Readiness Challenge X. (U.S. Air Force photo by Senior Airman Stephanie Henry)