 Complete the following phrase:  After undertaking a period of training in Egypt where it had been formed, the 13th Brigade sailed from Alexandria for France on 5 June 1916 upon three transports: Arcadian, Ivernia and Japanese Prince. Upon landing in Marseilles on 11 June, the brigade was transported north by rail. In mid-June, the brigade entered the front line for the first time, moving into a sector near Petillon, in France, relieving the 3rd Brigade. The brigade remained along the front for several weeks; although it was relatively quiet, the tour, which lasted until the night of 1011 July, cost the brigade 41 casualties. After being relieved by the 15th Brigade, the 13th moved to Halloy-les-Pernois, to the west of Pozieres to under take further training, including route marches and attacks in concert with artillery to prepare them for entry into the 