Ramba uchinyora ndima iyi - Warren akatora chiremera muna 1808 uye akashanda muGungwa reBaltic, achiita mabasa okurwisa ngarava dzeRussia. Akabva atanga kutungamirira ngarava yainzi frigate, yaakatumwa nayo kunotakura Lucien Bonaparte nemhuri yake vachienda kuEngland. Akabva aenda nechikepe kuEast Indies uye akaita basa rinokosha muInvasion yeJava
muna 1811. Akaitwa Companion of the Bath pakupera kweHondo dzaNapoleon muna 1815, uye akatungamira dzimwe ngarava dzinoverengeka, kusanganisira yacht yeumambo. Akabatawo nzvimbo dzinoverengeka dzomumhenderekedzo yegungwa, achiitwa knight uye akaitwa Knight Commander weRoyal Guelphic Order muna 1835. Akakwidziridzwa kuva rear-admiral muna 1837, akaitwa Knight Commander of the Bath nguva pfupi asati afa muna 1839.