Mezue ahịrịokwu na-esonụ: N'afọ 1915, e nyere ha iwu ka ha gaa mba ọzọ ma gawa Tesalonaịka ma n'ụzọ ha natara iwu ka ha gaa Ijipt. N'ọnwa Eprel afọ 1916, a họpụtara Brigade ahụ ka ọ bụrụ 22nd Mounted Brigade ma tinye ya na Western Frontier Force ma na mbido afọ 1917, a kpọgara ya na ANZAC Mounted Division ma sonye na Agha nke Abụọ nke Gaza. E mere njem ọzọ na June 1917, n'oge a, ha sonyere na Yeomanry Mounted Division ma tinye aka na
Agha nke atọ nke Gaza na Agha nke Beersheba, emesịa a ga-ahọpụta ngalaba ahụ ma gbanwee aha ha na 1st Mounted Division na 4th Cavalry Division, ebe ya na 4th Cavalry Division Brigade gbanwere aha ya ọzọ wee bụrụ 12th Cavalry Brigade.