Kammala jumla mai zuwa: Bayan ya tsere ya tafi Falasdinu (wanda aka ba shi Gicciye na Soja), ya yi aiki tare da 2nd Battalion, Cameron Highlanders, kuma ya yi aiki tare da battalion har zuwa watan Agusta 1941. Ya koma Burtaniya kuma, a ƙarshe, ya ci gaba da zama Kwamandan Kwamandan (CO) na 5th Battalion, Sarauniya ta Cameron Highlanders daga Yuli 1944. Rundunar ta kasance ƙungiyar TA ce da aka kafa a 1939 a matsayin layi na biyu na 4th Battalion kuma yanzu ya zama wani ɓangare na Brigade na 152, wanda Brigadier James Cassels ya ba da umarni, na Major General Tom Rennie na 51st (Highland) Division. Dukansu brigade na asali da kuma rabuwa sun kama, kamar yadda Lang kansa ya yi, a Faransa a watan Yuni na 1940 amma an sake gyara shi a watan Agusta ta hanyar sake sanyawa 9th (Highland) Infantry Division kuma, bayan da ya yi aiki a Arewacin Afirka da Sicily, yanzu suna fada a Normandy bayan da aka sauko da D-Day. Lang ya umurci 5th Cameron Highlanders a cikin sauran
yaƙin neman zaɓe a Arewa maso Yammacin Turai har zuwa Ranar Nasara a Turai (VE Day) a watan Mayu 1945. An ba shi lambar yabo ta Distinguished Service Order don jagorancin battalion a 1944.