Faatumu le fuaiupu lenei: 4th Infantry Brigade and Headquarters North East, sa taʻua muamua o le 4th Mechanized Brigade ma aʻo leʻi oʻo i le 4th Armoured Brigade o se vaega o le autau a Peretania, o loʻo i ai nei i Catterick, North Yorkshire o se vaega o le 1st (United Kingdom) Division. O le vaega lea ua taʻua nei o le ʻBlack Rats,' na faavaeina i le 1939 ma na tau i le Taua Lona Lua a le Lalolagi i le Western Desert Campaign i Aferika i Mātū. Na mulimuli ane auai le Black Rats i le osofaʻiga a Sicily ma tau i Italia a o leʻi auai i le Taua o Normandy ma le agai i luma e ala i
Peleseuma, Holani ma i Siamani.