Whakakī i te rerenga e whai ake nei: Ko te whakapapa o te 2 CER e kitea ana ki te 4th Field Company (4 Fd Coy) Royal Australian Engineers, i whakaarahia i nga wa o te Pakanga Tuatahi o te Ao. I whakaingoatia te 7th Field Company (7 Fd Coy) i te tau 1915, i rongonui te waahanga mo tana mahi i Parani me Belgium i te Pakanga o Somme, Menin Road me te Raina Hindenburg. I te Pakanga Tuarua o te Ao, i whawhai a Fd Coy ki nga Hapanihi i
Ko Kokoda me te Bougainville.