U.S. Marine Corps Lance Cpl. Shawn Franklin ,front,

U.S. Marine Corps Lance Cpl. Shawn Franklin ,front, and Dakota Grimes, both chemical, biological, radiological, and nuclear (CBRN) defense specialists with Headquarters Battalion, 2d Marine Division, identify air toxicity levels before entering a hazardous biological lab scenario on Camp Lejeune, Feb. N.C., 19, 2021. The scenario tested the ability of the Marine to respond to a hazardous environment and properly identify, handle, and dispose of hazardous material and waste. (U.S. Marine Corps photo by Pfc. Sarah Hediger)