 Military intelligence did however have a reservation that Forkhill was "now on a microwave communications network which would have a Nato function in relation to possible nuclear attack”.J2 has been deployed numerous times alongside Irish forces on peacekeeping duties globally, mainly to ensure the safety and security of Irish troops, but also to provide intelligence on hostile forces.It is considered one of the most secretive intelligence agencies in Europe, and the Irish government and Defence Forces rarely allude to its very existence.