 Vetting procedures were carried out jointly by British military intelligence and the Royal Ulster Constabulary's Special Branch and if no intelligence was found to suggest unsuitability individuals were passed for recruitment and would remain as soldiers until the commanding officer was provided with intelligence enabling him to remove soldiers with paramilitary links or sympathies.With his previous military experience and decoration for bravery, Hanna was just the type of recruit needed.He would have been fast tracked on a refresher course to sharpen up his military skills, and would have been part of the UDR's front line of experienced soldiers when the regiment began duties in 1970.