first known incident on January 26, 1979 when they were deployed during a Mitsubishi Bank hostage incident in Osaka. In the incident, they shot dead Akiyoshi Umekawa after he gunned down two employees and two policemen. As the SWAT ability of other departments improved, the SAT became the "last ditch" of the Security Bureau of the National Police Agency, and opportunities to conduct direct domestic action decreased. In the Gulf Crisis of 1990, the SAP unit was dispatched to Saudi Arabia for non-combatant evacuation operation. During the Japanese embassy hostage crisis in Peru, the SAT had simulated raids on retaking buildings similar to the Japanese Embassy as a possible counter-measure to a similar incident on Japanese soil. On June 21, 1995, All Nippon Airways Flight 857 was hijacked at the Hakodate Airport in Hokkaido by a lone hijacker named . This incident marked the first time that the Japanese Air Self-Defense Forces cooperated with the SAP by providing Kawasaki C-1 aircraft as means of transportation from Haneda Airport. SAP officers assisted Hokkaido Prefectural Police officers in storming the plane. In May 2000, the Osaka and Fukuoka SAT assisted detectives of the Hiroshima Prefectural Police when they stormed a hijacked bus in Fukuoka in the Neomugicha incident, capturing the lone hijacker alive. Due to the self-defense requirements as stipulated in the Law Concerning Execution of Duties of Police Officials, it took more than 15 hours for the hostage crisis to end. Stun grenades were used in the operation. In September 2003, the Aichi SAT unit was deployed to resolve a hostage incident. However, the hostage-taker committed suicide in an explosion which killed three and injured 41 others. On September 10, 2005, Okinawa was established for a SAT unit to be operational. According to the NPA, the presence of American troops and the region's geography were taken into consideration in creating a unit to be stationed there, especially after Al-Qaeda had made terrorist threats against Japan in the past. In May 2007, in a hostage crisis case in Nagoya, an ex-yakuza gangster named was captured after he killed , an Aichi SAT operative. Prior to shooting Hayashi, Obayashi shot a uniformed officer who was called in to respond to a domestic violence incident at 4 in the afternoon. The Aichi SIT was in charge with the Aichi SAT assisting, but the stray bullets hit the SAT operative. Hayashi, an inspector in the