Kammala jumla mai zuwa: A shekara ta 1742, an daukaka Campbell zuwa Laftanar-Janar kuma a lokacin Yaƙin Nasara na Austriya ya bi Sarki zuwa Jamus a matsayin kwamandan sojan doki na Burtaniya kuma ya yi yaƙi a yaƙe-yaƙe na
Dettingen a 1743, inda aka saka shi a matsayin Knight Commander na Order of Bath, da na Fontenoy a 1745, inda ya rasa kafa. Daga baya ya mutu sakamakon raunukan da ya samu a ranar 2 ga Mayu, 1745.