Highlights NATO’s Combined Joint CBRN Defence Task Force consists of the CBRN Joint Assessment Team and the CBRN Defence Battalion. The CBRN Defence Battalion is a NATO body specifically trained and equipped to deal with CBRN incidents and/or attacks against NATO populations, territory or forces. The Battalion trains not only for armed conflict, but also for deployment in crises, where it supports civilian authorities, such as natural disasters and industrial accidents. It falls under the authority of the Supreme Allied Commander Europe.