Simulated Casualty Marine Corps Lance Cpl. Stephanie Nelson and Lance Cpl. Alan Ayalazapien, both chemical, biological, radiological and nuclear defense specialists with Command Element, 31st Marine Expeditionary Unit, take a simulated casualty towards safety during a CBRN Response Element exercise in Okinawa, Japan, July 13, 2022. SHARE: Download: Full Size (2.71 MB) Credit: Marine Corps Lance Cpl. Christopher Lape VIRIN: 220713-M-MJ391-1036.JPG Photo Gallery