Two coastal motor boats, CMB24 and 30, dashed ahead and torpedoed the piers.
Norman Holbrook, successfull y passed the mine-fields of the Straits and torpedoed the old Turkish battleship " Messudieh " at anchor.
Hamilton made Imbros his headquarters, and troops also were sometimes collected there owing to its vicinity both to Helles and to Anzac. Within the Dardanelles the battleship " Goliath " had been torpedoed by the Turkish destroyer " Muavenet-i-Milliye " on May 13; on the other hand British submarines were performing invaluable service, diving under the mine-fields, causing havoc amongst enemy craft in the channel itself and higher up, and threatening Ottoman communications with the peninsula.
Another small boat (UB14) on its way from Orak to the Straits, torpedoed the British transports " Royal Edward " off Cos (Aug.
In addition, the Austrian boats numbered about 11, large and small, and one of these torpedoed the French cruiser " Leon Gambetta " in Ionian waters on April 27.