U.S. Air Force Airman 1st Class Dawson Powers, a 35th Logistics Readiness Squadron Material Management Flight Individual Protective Equipment apprentice, conducts a gas mask seal test at Misawa Air Base, Japan, Feb. 2, 2021. Quality checks are regularly performed on gas masks to ensure they are in proper working condition. (U.S. Air Force photo by Airman 1st Class Leon R. Redfern)