Rubuta ci gaba ga wannan sakin layi - A 1737 an nada De La Warr Gwamnan New York da New Jersey. Duk da haka, bai taba tafiya zuwa Amurka ba. Ya ci gaba da aikin soja yayin da yake aiki a cikin House of Lords kuma ya yi yaƙi a yakin Dettingen
a shekara ta 1743 a lokacin Yakin Nasara na Austriya. A ranar 30 ga Agusta 1737, an ba shi izinin zama colonel na 1st Troop of Horse Guards, wani alƙawari da ya yi har mutuwarsa. Ya zama Birgediya Janar a 1743, Babban Janar a 1745, Laftanar Janar a 1747 kuma Janar na Doki a 1765. A shekara ta 1752 an nada shi Gwamnan Guernsey, mukamin da ya rike har mutuwarsa. A cikin 1761 George III ya sanya shi Viscount Cantalupe da Earl De La Warr.