Tuhia he haere tonu mō tēnei wāhanga - I whakatūria te 50th (Holding) Battalion i te United Kingdom i te 28 o Mei 1940. I te 9 o Oketopa 1940, i whakaingoatia ano hei 10 o nga Battalion. I whakawhiwhia te 10th Battalion ki te 225th Independent Infantry Brigade (Home), i hangaia mo te mahi i te United Kingdom. I te hurihanga o te piriti ki te piriti tank i te marama o Tihema 1941, ka noho te peihana ki te 151st Regiment Royal Armoured Corps. I te wa i whakakorehia ai te 107th RAC i te marama o Tihema 1943, i tukuna tetahi roopu ki te 151st RAC, i tango i te nama o te 107th ki te whakamana i te 5th Battalion, King's Own, he 1st Line Territorial Army battalion. I haere tonu te Rōpū 107 hou ki te mahi ki te raki-uru o Uropi
mai i te tau 1944-1945.