 The Australian government sent Major General James Gordon Legge from Australia to replace him.On 19 May 1915, the Turkish launched an assault against the Anzac perimeter.Forewarned by naval reconnaissance aircraft, the troops were on alert and the position was reinforced by the return of the 2nd and New Zealand Infantry Brigades from Cape Helles and the arrival of the 1st Light Horse Brigade and New Zealand Mounted Rifles Brigade from Egypt.