 Six destroyers—the "Warrego", , "Yarra", , and —were sent in response to this request, and undertook anti-submarine operations in the Adriatic, working out of Brindisi, Italy as part of the Otranto Barrage.The most decorated RAN unit of the war was the Bridging Train.A reserve unit commanded by Lieutenant Commander Leighton Bracegirdle, it supported the British at Suvla Bay during the Gallipoli Campaign by constructing piers and harbours in the bay.