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On 13 July 1983, Ronald Alexander (19), John Roxborough (19), Oswald Neely (20) and Thomas Harron (25), all members of D Company, were killed in a Provisional Irish Republican Army land mine attack on their mobile patrol on Ballymackilroy Hill, near Ballygawley.
The base was used as a training centre by the Ulster Defence Regiment whose 3rd (County Down) Battalion was also based there.
In 1978 Dessie O'Hare and McGinn killed Thomas Johnston, a former member of the Ulster Defence Regiment (UDR) in Keady, South Armagh.
During the afternoon and evening of 18 August 1966, D Company of the 6th Battalion, Royal Australian Regiment (6 RAR) fought an intense battle with a much larger force of Vietnamese communist troops near Long Tan in South Vietnam.
RUC SPG officer John Weir, in his affidavit made to Irish Supreme Court Justice Henry Barron, named those involved in the Reavey shootings as Robert McConnell (a soldier of the British Army's Ulster Defence Regiment), Laurence McClure (an RUC SPG officer), James Mitchell and another man.
Today, the regiment's traditions are maintained by 'B' Company, 5th/6th Battalion, Royal Victoria Regiment.