Kammala jumla mai zuwa: 2nd Battalion ya koma United Kingdom kuma, a ranar 7 ga Disamba, 1941 (ranar da Amurka ta shiga yaki), an canja shi zuwa 37th Independent Infantry Brigade (wanda aka sake sanya shi zuwa 7th Infantry Brigade a rana mai zuwa). A ranar 1 ga Maris, 1944 an canza rukunin zuwa sabon Brigade mai zaman kanta na 56th, tare da wanda ya kasance na 2nd Battalion, Essex Regiment da 2nd Battalion, Gloucestershire Regiment kuma an horar da su don mamaye Normandy. Rundunar ta sami bambanci na kasancewar ita ce kadai rundunar Welsh da ta shiga cikin saukowar Normandy a ranar 6 ga Yuni, 1944, ta sauka a Gold Beach a karkashin umurnin 50th (Northumbrian) Infantry Division kuma ta yi yaƙi a Yaƙin Normandy, a ƙarƙashin umurnin 7th Armoured Division na fewan kwanaki a watan Yuni, 1944, kafin ta koma zuwa 50th Division. A watan Agusta 1944 ya kasance a takaice a karkashin umurnin 59th (Staffordshire) Infantry Division kuma ya yi yaƙi a Yaƙin Falaise Gap. A ranar 20 ga watan Agusta, rundunar ta shiga cikin Rukunin Sojoji na 49 (West Riding), wanda ya maye gurbin Brigade na 70 da aka rushe. Tare da rukunin, bataliya ta yi yaƙi a cikin ayyukan don share bakin tekun Channel, inda suka kama Le Havre a cikin Operation Astonia. Bayan haka, rundunar ta yi hutu na ɗan gajeren lokaci kuma, a ranar 22 ga Satumba, ta koma don shiga sauran rundunar sojojin 21 da ke yaƙi a Belgium. A watan Oktoba, jim kadan bayan gazawar
Operation Market Garden, an tura sashin zuwa garrison "Tsibirin", kamar yadda aka san yankin ƙasa tsakanin Arnhem da Nijmegen, inda ya kasance a duk lokacin hunturu na arewacin 1944/45. Babban aiki na ƙarshe ga bataliya ya kasance a watan Afrilu 1945 lokacin da, tare da sauran rukunin, suka yi yaƙi a Yaƙin Arnhem na Biyu. Batun ya ƙare yaƙin a Jamus, kuma ya kasance a can, a matsayin wani ɓangare na sojojin mamaye, har zuwa 1948 lokacin da ya koma gida. A lokacin yakin da ke Arewa maso Yammacin Turai, rundunar ta sha wahala fiye da kashi 100 cikin dari.