250211-F-CJ259-1021
U.S. Air Force Senior Airman Axel Cartagena, 354th Civil Engineer Squadron emergency management journeyman, demonstrates attaching filters to a gas mask during an expeditionary training week at Eielson Air Force Base, Alaska, Feb. 11, 2025. The 354th LRS conducted an expeditionary training week to hone skills including donning and doffing Chemical, Biological, Radiological, and Nuclear gear, conducting Post Attack Reconnaissance sweeps, and general deployment readiness. (U.S. Air Force photo by Airman 1st Class Carson Jeney)