Kammala jumla mai zuwa: An fadada rundunar zuwa bataliya uku a lokacin yakin duniya na biyu, kuma ta yi aiki a Faransa, Arewacin Afirka, Tunisia, Italiya da
Yammacin Turai. A lokacin yakin basasa, an rage rundunar zuwa rukuni guda kuma ta ga sabis a Falasdinu, Misira, Jamus ta Yamma, Aden, Arewacin Ireland, da Cyprus. A shekarar 1982, rundunar ta shiga cikin yakin Falklands. A cikin karni na 21, an tura rundunar a matsayin dakarun wanzar da zaman lafiya zuwa Bosnia, da kuma ayyukan da aka yi a Iraki da Afghanistan.