 "Euryalus" became the flagship of Rear Admiral Rosslyn Wemyss in April, after he was put in charge of the main landings at Gallipoli.During the landings at Cape Helles on the morning of 25 April, "Euryalus" transported three companies of the 1st Battalion of the Lancashire Fusiliers and a platoon of the Royal Naval Division, and then provided fire support to the landing after the soldiers were transferred to their boats for the actual landing on Beach 'W'.She also bombarded Turkish positions during the Second Battle of Krithia on 6 May.