The regiment that the 6th Battalion, Ulster Defence Regiment grouped into had who as their oldest predecessor?
Royal Irish Regiment (1992) The Royal Irish Regiment (27th (Inniskilling) 83rd and 87th and Ulster Defence Regiment) (R IRISH) is an infantry regiment of the British Army. The regiment was founded in 1992 through the amalgamation of the Royal Irish Rangers and the Ulster Defence Regiment. Their oldest predecessor; the 27th Regiment of Foot; was first raised in June 1689 to fight in the Williamite War in Ireland. Other notable regiments in their lineage include the Royal Inniskilling Fusiliers, Royal Irish Rifles and the Royal Irish Fusiliers (Princess Victoria's).
Antigua and Barbuda Regiment The Antigua and Barbuda Regiment is the infantry unit and main fighting arm of the Antigua and Barbuda Defence Force. Previously known as the Rifle Company, it was formed in 1995 and consists of a single light infantry battalion, commanded by a Lieutenant Colonel and made up of four companies: