Kammala wannan jumla: A watan Agusta 1941, an sake tsara rukunin sojan doki na 1 a matsayin rukunin soji na 10. Clark ya kasance a cikin umurnin har zuwa Afrilu 1942 don haka ya rasa aikin aiki na sashen a Alam Halfa da Yaƙin El Alamein na biyu. Ya zama Lines na Sadarwa na GOC a Tunisia kuma daga baya Mataimakin Gwamnan Sicily bayan da aka ba da izininsa.
kama shi a shekarar 1943. A ƙarshen 1943 ya ɗan zama Babban Janar na Gudanarwa a GHQ Gabas ta Tsakiya a Alkahira kafin ya zama Babban Jami'in Gudanarwa a Babban Ofishin Sojojin Allied (AFHQ) wanda ya rike mukamin laftanan janar.