4th Chemical Company

The 4th Chemical Company, originally constituted during World War II, has served as a key unit specializing in chemical, biological, radiological, and nuclear (CBRN) defense within the U.S. Army. It has supported both combat and peacetime operations, providing decontamination, reconnaissance, and hazard assessment capabilities to protect soldiers and civilians from CBRN threats. Over the decades, the 4th Chemical Company has participated in numerous training exercises and deployments, adapting to evolving warfare environments and technological advancements. Today, the unit continues its mission-critical role, ensuring readiness and protection against modern CBRN hazards worldwide.