 Complete the following phrase:  While they were training, the Allies launched the August Offensive in an attempt to break the deadlock that had developed on the Gallipoli Peninsula following the initial landing. The offensive largely failed and heavy casualties resulted. In order to replace the men that were lost and give the survivors a rest, the decision was made by Allied commanders to move the 2nd Division from Egypt. After being moved to Lemnos Island, the 23rd Battalion embarked for Gallipoli on 4 September, arriving there at 9:30 pm that evening. A day of familiarisation followed before the battalion took up defensive positions at 