<prompt> Pedzisa mutsara unotevera: Muna 1910, Nelles akachinjirwa kuRCN yakanga ichangobva kuvambwa ndokuva muchengeti wengarava ari mungarava itsva yeCanada. Kwemakore gumi akatevera aizokwira kubva pachinzvimbo che sub-lieutenant kusvika pachinzvimbo chekaputeni seMubatsiri Mukuru weVashandi veNaval. Nemhaka yehukuru huduku hweRCN, vakuru vakuru veCanada vakatumirwa kunodzidziswa pamidziyo mikuru yeBritish Royal Navy kuti vawane ruzivo. Muna December 1911, Nelles akabatana nengarava yehondo. Pakuvamba muna 1914, Nelles akachinjirwa kukireshi, iyo yakapiwa kuNorth America neWest Indies Station yakavakirwa muBermuda. Pakuvamba muna 1914 Suffolk yakatumirwa kunodzivirira fariro dzeBritain muMexico mukati me  <response>: hondo yevagari vemo. Pakatanga Hondo Yenyika I, Suffolk akarayirwa kuti adzivirire nzira dzokutakura zvinhu dzaipfuura nemugungwa reAtlantic, uye gare gare akafamba pakati peBermuda neHalifax, Nova Scotia. Nelles akaramba ari mungarava yokuBritain kusvikira muna April 1917, paakadanwa kuOttawa, Ontario. Ikoko, akashanda semutungamiri wehondo kumukuru wekutanga weRCN, Admiral Sir Charles Kingsmill. Muna 1920, Nelles akapinda muRoyal Naval College, akasimudzirwa kuva lieutenant commander muna 1922 uye akashanda mune dzimwe nzvimbo dzeRoyal Navy mumakore maviri akatevera asati adzokera kuCanada muna 1925. 