 After eight years' service in Ireland, the regiment embarked for Nova Scotia in May 1757 for service in the French and Indian War.The regiment saw action at the assault on Fort Ticonderoga in July 1758 the assault and capture of Fort Niagara in July 1759 and the Montreal Campaign in August to September 1760.The regiment then moved to the West Indies in October 1761 and took part in the capture of Martinique in January 1762, the storming of Morro Castle in July 1762 and the capture of Havana in August 1762.