Members of the ERU train regularly alongside Regional Support Units ( RSU ) , the Army Ranger Wing and Explosive Ordnance Disposal ( EOD ) teams in Ireland , and abroad with ; the Police Service of Northern Ireland ( PSNI ) Special Operations Branch ( SOB ) and Metropolitan Police Service ( MPS ) Specialist Firearms Command ( SCO19 ) in the United Kingdom , and FBI Hostage Rescue Team ( HRT ) in the US , as well as similar organisations in France ( RAID & GIGN ) , Germany ( GSG 9 ) , Netherlands and Finland . The unit also conducts large scale scenario-based exercises each year with multiple other Garda units . Following the 2011 Norway attacks , officers from the Norwegian Police Service tactical intervention team - also known as the Emergency Response Unit - came to Ireland to receive training from the Garda ERU , showing how highly the unit are regarded internationally
2011 Norway attacks
2011 Norway attacks
Garda Emergency Response Unit