U.S. Marine Corps Capt. Jacky Brewer, left, an explosive ordnance disposal officer in charge with Headquarters and Service Company, Headquarters and Support Battalion, Marine Corps Base Camp Pendleton, helps prepare Gunnery Sgt. Jeffrey Bright Jr., an explosive ordnance disposal technician with Headquarters and Service Company, Headquarters and Support Battalion, Marine Corps Base Camp Pendleton during a Chemical, Biological, Radiological, Nuclear training event on Camp Pendleton, California, Dec. 06, 2022. The CBRN training was conducted in order to strengthen interoperability between Camp Pendleton first responders. - U.S. Marine Corps Capt. Jacky Brewer, left, an explosive ordnance disposal officer in charge with Headquarters and Service Company, Headquarters and Support Battalion, Marine Corps Base Camp Pendleton, helps prepare Gunnery Sgt. Jeffrey Bright Jr., an explosive ordnance disposal technician with Headquarters and Service Company, Headquarters and Support Battalion, Marine Corps Base Camp Pendleton during a Chemical, Biological, Radiological, Nuclear training event on Camp Pendleton, California, Dec. 06, 2022. The CBRN training was conducted in order to strengthen interoperability between Camp Pendleton first responders.