[20] In 1937 the already close relationship with the London Irish Rifles was formally recognised when they were incorporated into the Corps while still retaining their regimental identity as a territorial battalion.[21] When war was declared the 1st Battalion was serving in India, with the 31st Independent Brigade Group, which was trained in mountain warfare.[23] Carried in Horsa gliders, the battalion took part in Operation Mallard, the British glider-borne landings in the later afternoon of 6 June 1944, otherwise known as D-Day.200 Group National Defence Companies and consisting of older men with previous military experience who were unfit for active service.[11] The 1st Battalion, Royal Ulster Rifles disembarked at Pusan in early November 1950 as part of the 29th Independent Infantry Brigade Group for service in the Korean War.As the New Year started, the Fiftieth Chinese Communist Army engaged the United Nations troops focusing on 29 Brigade, who were dispersed over a very wide front (12 miles).With virtually no cover and seriously outnumbered, the Royal Ulster Rifles came under heavy fire as they withdrew to a blocking position.The Brigade was able to hold its position, despite fierce fighting, and neutralized the effectiveness of the Sixty-fourth Chinese Communist Army.[34] It stood overlooking the battlefield until 1962 when Seoul's growth threatened to consume it, and it was carried by HMS Belfast back to Ireland where it was the focus of St Patrick's Barracks in Ballymena.[33] When the barracks closed in 2008, the Imjin River Memorial was again moved, this time to the grounds of the Belfast City Hall.[35] The Regiment continued to accept recruits from the rest of Ireland; for example, almost 50% of personnel in the 1st Battalion who arrived in Korea in 1950 were Irish nationals.The museum's artefacts include uniforms, badges, medals, regimental memorabilia, trophies, paintings and photographs.
Men of the 16th (Service) Battalion, Royal Irish Rifles, the
pioneer
battalion of the 36th (Ulster) Division, moving to the frontline 20 November 1917.
Riflemen of the Royal Ulster Rifles, 6 Airlanding Brigade, aboard a jeep and trailer, driving off Landing Zone N past a crashed
Airspeed Horsa
glider on the evening of 6 June 1944.
General
Sir Bernard Montgomery
talking to Company Sergeant Major Kelly of Aldershot during a visit to 2nd Battalion, Royal Ulster Rifles near Portsmouth in the run-up to D-Day. The battalion had previously served in his division earlier in the war.