The is a police tactical unit maintained by individual Japanese prefectural police and supervised by the National Police Agency. The SAT is a national-level counterterrorism unit that cooperates with territorial-level Anti-Firearms Squads and Counter-NBC Terrorism Squads. Most information on the unit has been confidential, its existence officially revealed only in 1996. The SAT is officially known in Japanese as simply and individual teams officially take the name of the police to which they are assigned; an example would be the for the SAT unit assigned to the Tokyo Metropolitan Police Department. Background By the mid-1970s, Japanese law enforcement already established the , part-time sniper squads being launched as a response to the Kin Kiro Incident in 1968. Assault sections were later established in some urban squads; these squads were predecessors of the Anti-firearms squads, but they were only part-time SWAT teams at this time. In response to the Dhaka Incident, the National Police Agency decided to set up full-time anti-terrorism special units at the Tokyo Metropolitan Police Department and the Osaka Prefectural Police Department in secret. The Tokyo unit was established as the of its 6th Riot Police Unit and the Osaka unit as the "Zero" Company of its 2nd Riot Police Unit. The Tokyo unit was nicknamed SAP (Special Armed Police), and it was recognized as the official name around 1982 and the flag was awarded. Several SAP officers were sent to West Germany to be trained by GSG-9 operators due to their experience in resolving the hijacking of Lufthansa Flight 181. They were instructed on using MP5s, which they first used in the 1980s. In 1996, it was officially announced that the tactical units had been organized, and their unit name were changed to SAT, Special Assault Teams. In addition to the MPD and Osaka teams, additional teams for the Hokkaido, Kanagawa, Chiba, Aichi, and Fukuoka Prefectural Police were also established. In 2005, a team of the Okinawa Prefectural Police was established, and existing units were also reinforced. Organization Structure SAT teams are set up at eight prefectural police agencies. In most prefectures they belong to the Riot Police Unit, but in the MPD it is directly under its First Security Division, and the Security Division in the Osaka. Total strength is about 300 officers. It is said that three teams in the Metropolitan Police Department, two teams in the Osaka Prefectural Police Department, and one team in