Official websites use .mil
Secure .mil websites use HTTPS
U.S. Army Sgt. Remi Torres, assigned to Headquarters and Headquarters Company, U.S. Army Garrison Yongsan-Casey, helps Korean Augmentation to the U.S. Army Pfc. Hyun Jae Chung don his promask before a gas chamber drill at North Star Range, Uijeongbu, South Korea, March 5, 2025. The drill reinforced the importance of situational awareness and adaptability in chemical attack scenarios. (DoD photo by Pfc. See Woo Lee, KATUSA)