Mezue ahịrịokwu na-esonụ: "Antrim", nke a kpọrọ aha iji cheta obodo Irish, bụ nke John Brown & Company tọrọ na ebe ha na-arụ ụgbọ mmiri na Clydeside na 27 August 1902 ma bido na 8 October 1903. Emechara ya na 23 June 1905 ma ekenye ya na 1st Cruiser Squadron nke Channel Fleet tinyere ọtụtụ n'ime ụgbọ mmiri nwanne ya. E zigara ya Casablanca, Morocco n'ọnwa Ọgọstụ 1907 mgbe ọgbaghara nke dugara na
bọmbụ a tụrụ Casablanca. E zigara ya na 2nd Cruiser Squadron nke Atlantic Fleet na March 1907 ma kenyezie ya na nchekwa nke atọ na Devonport na Eprel 1909. A kpọgara ya na Mersey n'oge mkpesa njem njem ọha na eze nke 1911 na Liverpool. Na Disemba 1912, ụgbọ mmiri ahụ ghọrọ ụgbọ mmiri nke 3rd Cruiser Squadron nke Second Fleet.