U.S. Army Maj. Gen. E. Darrin Cox, 18th Theater Medical Command commander, stands with Bangladeshi military and medical personnel following a chemical, biological, radiological, and nuclear (CBRN) medical response demonstration in Sylhet, Bangladesh, Jan. 21, 2026. The demonstration provided key insights into Bangladeshi medical response capabilities, informing future collaboration to advance shared health security goals. (U.S. Army photo by 18th Theater Medical Command)