3rd Battalion AIF - Randwick to Hargicourt3rd Battalion AIF - Randwick to Hargicourt Unit History. The 3rd battalion took part in the ANZAC landing on 25 April 1915 as part of the second and third waves and served there until the evacuation in December. In August, the 3rd battalion took part in the attack on Lone Pine. In France the 3rd battalion fought at Pozieres, Ypres and on the Somme. The 3Bn AIF Unit History is available as a high quality PDF download - 200MB in 3 parts. 400 pages of text, maps and photos. Download all 3 files and unzip in one file.