Mezue ahịrịokwu na-esonụ: 4th Infantry Brigade and Headquarters North East, nke a na-akpọbu 4th Mechanized Brigade na tupu nke ahụ 4th Armored Brigade bụ nhazi ndị agha nke ndị agha Britain, nke dị ugbu a na Catterick, North Yorkshire dịka akụkụ nke 1st (United Kingdom) Division. E hiwere brigade a, nke a maara ugbu a dị ka 'Black Rats', na 1939 ma lụọ agha na Agha Worldwa nke Abụọ na Western Desert Campaign na North Africa. Ndị Black Rats mechara sonye na mwakpo nke Sicily na ịlụ ọgụ na Italy tupu ha sonye n'agha nke Normandy na ọganihu site na
Belgium, Holland na Germany.