sentences:  According to OTAN's definition, the BAT is a special force.Its role notably includes taking action during crisis situations, such as hostage-taking on boats, aircraft, in cities etc, arresting high-risk criminals, and contributing to the fight against terrorism.The BAT is based in Tunis, at the headquarters of the intervention units at the Bouchoucha barracks, with the training and education centre located in Béjal.