Photo by Sgt. Phuchung Nguyen - U.S. Marine Corps chemical, biological, radiological, and nuclear defense (CBRN) specialists assigned to Marine Wing Support Squadron 171, Marine Aircraft Group 12, pose for a group photo on Marine Corps Air Station Iwakuni, Japan, Sept. 6, 2024. As CBRN Defense Specialists, Marines are trained to respond to and clear areas with possible CBRN hazards in addition to training units in general CBRN information, identification, and response. (U.S. Marine Corps photo by Sgt. Phuchung Nguyen)