Kammala jumla mai zuwa: An ayyana Yaƙin Duniya na Biyu a ranar Lahadi, 3 ga Satumba 1939 kuma an kira battalion biyu na Sojojin Yankin, na 4 da na 6 (kwafin na 4), nan da nan. Rundunar ta 2 ta tashi zuwa Faransa tare da Brigade na 9 na Infantry da aka haɗe da Division na 3 na Infantry wanda Major-General Bernard Montgomery ya umurce shi a watan Oktoba 1939. An bi su ta 6th Battalion, wani ɓangare na 138th Brigade tare da 46th Infantry Division, a watan Afrilu 1940; duka sun yi aiki tare da British Expeditionary Force (BEF) kuma sun sami damar dawowa daga Dunkirk bayan yaƙe-yaƙe na Faransa da Belgium. Bayan sun dawo Ingila, duka batala'in sun kwashe shekaru a Burtaniya a kan kariyar gida suna tsammanin yiwuwar mamayewar Jamus a Burtaniya. Rundunar ta biyu, ta kasance tare da wannan brigade da kuma rarrabuwa a duk tsawon yakin, sannan ta shafe shekaru hudu masu zuwa a sassa daban-daban na Burtaniya kafin ta shiga cikin saukowa a ranar D-Day a watan Yunin 1944. Bataliya, wanda Lieutenant Colonel Christopher Welby-Everard ya umurce shi, ya shiga cikin yakin Normandy, ya shiga cikin Operation Charnwood, Operation Goodwood, da kuma sauran sauran yakin basasa.
Yakin Arewa maso Yammacin Turai har zuwa Ranar Nasara a Turai a watan Mayu 1945.