415 Chemical Brigade (U.S. Army) Color Changing Mug

The 415th Chemical Brigade is a United States Army unit that specializes in chemical warfare defense and decontamination operations. It falls under the umbrella of the U.S. Army Chemical School at Fort Leonard Wood, Missouri. Originally established in 1942 as the 415th Chemical Defense Battalion, it has evolved over time to assume larger roles within the chemical warfare defense and environmental community management sectors. The brigade is primarily responsible for providing operational readiness and capabilities for chemical, biological, radiological, nuclear, and high-yield explosive (CBRNE) defense and decontamination support. Its mission also includes supporting civil authorities in disaster response situations requiring specialized environmental cleanup efforts.