The men of the regiment served on various ships of the Royal Navy as marines and saw action at the First Battle of Ushant in July 1778.[2] The regiment embarked for Gibraltar in August 1784 and then moved to Corsica in January 1793 for service in the French Revolutionary Wars[12] and took part in the Siege of Calvi in July 1794.[22] In January 1809 the battalion took part in the Battle of Corunna, commanded by Charles James Napier, carrying out successive bayonet charges to keep the French at bay, at which General Sir John Moore shouted "Well done, 50th![37] It was renamed the 50th (or Duke of Clarence's) Regiment of Foot, in honour of the future King William IV in 1827.[46] The regiment embarked for Malta in February 1854 from where it sailed to Varna in June 1854 for service in the Crimean War.[52] It joined a field force which marched into the interior of the country as part of Lieutenant General Duncan Cameron's West Coast campaign and while encamped at Nukumaru near Whanganui came under sustained attack from Māori in January 1865 during the Second Taranaki War:[53] a total of 11 private soldiers from the regiment and 23 Māori died in the engagement.