 Nyora kupfuurira kweiyi ndima - Implacable akarayirwa kubatana neDardanelles mushandirapamwe muna March 1915, uye akasvika nokukurumidza pashure pokurasikirwa neIrresistible. Yakatsigira kumhara paCape Helles uye paAnzac Cove, kutanga kwechikamu chenyika yeGallipoli Campaign. Pazuva rokurwiswa, 25 April, ngarava yacho yakabva paX Beach paCape Helles, ichipfura mabhomba ekudzivirira kweOttoman sezvo varume vakaenda kumhenderekedzo. Mukuziva rutsigiro rwakakosha rwaakanga apa mauto sezvavakarwisa nzvimbo dzeOttoman, vakatumidza nzvimbo yekumhara Implacable Beach. Iye akaramba kutsigira pasi mauto kupinda May, kusanganisira panguva First uye Second Hondo Krithia. Muna Chivabvu, akaendeswa ku2nd Detached Squadron, iyo yaive nebasa rekutsigira iyo yeItaly Regia Marina Royal Navy muAdriatic Sea, kwaive neAustro-Hungarian Navy. MunaNovember, akaendeswa zvakare, panguva ino ku3rd Detached Squadron, yakavakirwa muTesaloniki, Greece. Ngarava yakadzoserwa kuBritain muna July 1917, gare gare ichishandurwa kuva ngarava yekuchengetera yeNorthern Patrol. Implacable pakupedzisira yakatengeswa kuti ishandiswe muna 1921 uye yakaparadzwa gore rakatevera muGermany. 