<prompt> Qedela lo musho olandelayo: Ngo - 1910, uNelles wadluliselwa ku - RCN eyayisanda kusungulwa futhi waba isikhulu semikhumbi emkhunjini omusha waseCanada. Eminyakeni eyishumi eyalandela wayezokhuphuka esuka esigabeni sokuba ngu-sub-lieutenant aye esigabeni sokuba ngukaputeni njengoMsizi weNhloko Yezisebenzi Zomkhumbi. Ngenxa yobukhulu obuncane be-RCN, izikhulu zaseCanada zathunyelwa ukuyoqeqeshwa emikhunjini emikhulu yeBritish Royal Navy ukuze zithole ulwazi. NgoDisemba 1911, uNelles wajoyina umkhumbi wempi. Ngasekuqaleni kuka-1914, uNelles wadluliselwa emkhunjini, owawabelwa iSiteshi saseNyakatho Melika naseWest Indies esiseBermuda. Ekuqaleni kuka-1914 iSuffolk yathunyelwa ukuvikela izintshisekelo zaseBrithani eMexico ngesikhathi se  <response>: impi yombango. Lapho kugqashuka iMpi Yezwe Yokuqala, i-Suffolk yayalelwa ukuba ivikele imizila yokuthumela ye-transatlantic, bese kamuva ihambela phakathi kweBermuda neHalifax, eNova Scotia. UNelles wahlala emkhunjini waseBrithani kwaze kwaba ngo-April 1917, lapho abizelwa e-Ottawa, e-Ontario. Lapho, wakhonza njengeluthenanthi lomkhombe kumholi wokuqala we-RCN, u-Admiral Sir Charles Kingsmill. Ngo-1920, uNelles wangena eRoyal Naval College, wakhushulelwa esikhundleni sokuba yi-lieutenant commander ngo-1922 futhi wasebenza ezikhungweni eziningana zeRoyal Navy eminyakeni emibili eyalandela ngaphambi kokubuyela eCanada ngo-1925. 