 He became a full-time IRA training officer.On 1 January 1957 at the beginning of the IRA Border Campaign, he led the unsuccessful attack on Brookeborough Royal Ulster Constabulary barracks in which his associates Seán South and Fergal O'Hanlon, both the subjects of well-known republican ballads, were shot and fatally wounded.Under fire, Garland carried South on his shoulders in an unsuccessful attempt to save his friend's life.