250129-F-BS505-1127
U.S. Air Force Senior Airman Oscar Wells, left, and Airman 1st Class Brenda Altamirano Sereno, emergency management support team members, check for chemical contamination while conducting a post attack reconnaissance sweep during Beverly Herd 25-2 at Osan Air Base, Republic of Korea, Jan. 29, 2025. The EMST personnel are trained to detect chemical, biological, radioactive or nuclear threats following an attack on the installation. Beverly Herd exercises assess the 51st Fighter Wing’s ability to survive and operate in a contested environment in the Korean Theater while supporting core mission essential tasks. (U.S. Air Force photo by Tech. Sgt. Clayton Lenhardt)