Rubuta ci gaba don wannan sakin layi - Bayan dawowar bataliya, wacce ta sha wahala sosai, an sake fasalin ta da adadi mai yawa na ƙarfafawa. A cikin 1942 ya zama Kwamandan Kwamandan na 7th Battalion, Argylls (duk da cewa an sanya shi a matsayin 7th/10th Battalion), har yanzu yana aiki a matsayin wani ɓangare na Brigade na 154 a cikin 51st (Highland) Division, wanda aka sake fasalin a watan Agusta 1940 ta hanyar sake fasalin 9th (Highland) Infantry Division, yanzu Major General Douglas Wimberley ya umurce shi kuma ya jagoranci rundunar a kasashen waje zuwa Arewacin Afirka a watan Agusta 1942. A Yaƙin El Alamein na biyu a ƙarshen 1942, ya sami Bar ga DSO don rawar da ya taka wajen kama manyan manufofi. Ya jagoranci rundunar, bayan El Alamein, a duk lokacin yakin Tunisiya, a El Agheila, a kama tashar jiragen ruwa ta Libya ta Tripoli, Medenine, da Wadi Akarit
, inda Campbell ya sami Victoria Cross. A ranar 28 ga Afrilu, jim kadan kafin yakin ya ƙare, Campbell ya zama kwamandan kwamandan na 153rd Brigade.