Pedzisa mutsara unotevera: De Horsey akabatana neRoyal Navy muna 1840 uye akashanda kumhenderekedzo yeSyria gare gare gore iroro. Akagamuchira Naval General Service Medal uye bar nokuda kwebasa rake muSyria pamwe chete nemenduru nokuda kwebasa rake muAcre rakapiwa naSultan weOttoman Empire. Akakwidziridzwa kuva Lieutenant muna July 1846 uye kuva Commander muna June 1853, akapiwa murairo wepaddle sloop HMS" Devastation" mwedzi iwoyo iwoyo uye weHMS "Victor" kubva muna November 1855. Akakwidziridzwa kuva Kaputeni munaGunyana 1857, akatungamira HMS "Brisk" kubva muna Chivabvu 1859, HMS "Wolverine" kubva Chivabvu 1864, HMS "Aurora" kubva munaNovember 1865 uye HMS "Hector" kubva Chivabvu 1868. Akanga ari Mukuru Mukuru paMakungwa eCanada mukati me
Kupamba kwavaFenian; nokuda kwaikoku akapiwa menduru yeCanada. Muna 1871 akaitwa ADC kuna Mambokadzi Victoria. Muna Chikunguru 1872, achisimudzirwa kuva Commodore, akava Senior Naval Officer muJamaica aine pennant yake muHMS "Aboukir" uye ane basa rekutarisa Jamaica Dockyard. Akabata muranda wechiSpanish "Manuela", ndokudzvinyirira mhirizhonga muJamaica iyo akaongwa nayo muParamende.