The Reaction Unit was a counter-terrorist force within the South African Police (SAP) from 1979 to 2001, in support of the SAP Special Task Force.
 Elements of the Reaction Unit were attached to Regional Riot Units in locations throughout South Africa, the first of which was in Durban.
 Its recruits were specially selected and trained in order to maintain a small but high-quality tactical support unit.
The Special Tactical Squad (Abbreviation: STS; Chinese: 特別戰術小隊, nicknamed Elite Team) is an elite paramilitary task force of the Hong Kong Police Force, being a sub-division of the Police Tactical Unit (PTU).
 In order to handle Occupy Central, a task force was established in late June 2014, assuring a smooth progress of Riot control.
 From its establishment, it was called as Removal Team internally in the police force.
 As Occupy Central had become the 2014 Hong Kong protests, the Removal Team got exposure in the press.
 On 30 Nov 2014, the Chief superintendent of the Police Tactical Unit officially named it as the Special Tactical Squad.
The Gurkha Contingent (Abbreviation: GC) is a line department of the Singapore Police Force consisting primarily of Gurkhas from Nepal.
 Members of the GC are trained to be highly skilled and are selected for their display of strong discipline and dedication in their tasks.
 The principal role of the contingent is to be a special guard force, and it is currently used as a counter-terrorist force.
Ulrich K. "Ricky" Wegener (born August 22, 1929) is a retired German police officer and founding member of the counter-terrorist force GSG 9.
 He was born in Jüterbog, Brandenburg.
The Police Tactical Unit (PTU) is a paramilitary specialist unit of the Singapore Police Force and comes under the direct command of the Special Operations Command.
 Based in Queenstown, it is the main anti-rioting and disaster-management unit of the police force.
 They are also called upon to handle cases of serious crime in progress, particularly cases involving firearms.
 From 2004, PTU officers also presented greater public prominence when they conducted patrols in public areas, such as at Orchard Road, Holland Village and Serangoon Gardens Estate, partly as a response to greater terrorism concerns.
Police Tactical Group (PTG) is a is a highly trained Australian Police Tactical Unit that responds to and resolves high-risk incidents, including terrorist incidents.
 Police Tactical Groups are fundamental to the Federal government National Counter Terrorism Plan to respond to major terrorist incidents in Australia.
 The Plan initially developed in 1980, then known as the National Anti-Terrorism Plan, is overseen by the Australia-New Zealand Counter-Terrorism Committee (ANZCTC).
 The Plan requires each state and territory police to maintain a police tactical unit designated as a Police Tactical Group (previously 'Police Assault Group') which is jointly funded by the federal government and the respective state or territory government.
The Special Duties Unit (SDU; , nicknamed Flying Tigers 飛虎隊) is the elite tactical unit of the Hong Kong Police Force tasked with countering terrorist attacks, hostage rescue and tackling serious crime involving firearms.
 The SDU is a subdivision of the riot control Police Tactical Unit which is part of 'A' Department (Operations & Support).
 The SDU is based at the Police Tactical Unit Headquarters in Fanling.
 The SDU also undertakes underwater search and recovery for search and rescue operations and to recover evidence.
The Special Reserve Force is a division with in the Namibian Police Force.
 Primarily its role is a Police Tactical Unit based on the Special Task Force of the South African Police Service.
 The unit was a reserve unit within Special Field Force then led by the late Ret Comm Danger Ashipala.
 They were first called Special Task Force in the early 90 but were disbanded in 96.
 They reamerged in the late 90 early 2000 and thus were called reserve force.
Grenzschutzgruppe 9 (GSG 9) (English: Border Protection Group 9 ) is the elite Police Tactical Unit of the German Federal Police (German: "Bundespolizei" ).
 GSG 9 counterparts on the state level are the Special Deployment Commandos (German: "Spezialeinsatzkommandos (SEK)" ).
Queensway Base is home of Special Operations Command (SOC), part of the Singapore Police Force (SPF).
 This place is gazetted as a protected place and is situated directly across the road from the Old Queenstown Police Station.
 Units such as Police Light Strike Force, Police KINS Training Camp, Police Tactical Unit and STAR (Special Tactics And Rescue) team are located here.
 The address is as follows:

Question: Ulrich Wegener was a founding member of a counter-terrorist force that is a tactical unit of what police force?
Answer: German Federal Police