 Nyorai kupfuurira kweiyi ndima - Campbell akatumirwa kuGibraltar muna 1810 uye akarwa muhondo yeBarrosa muna Kurume 1811, achitora kutungamira kwemakambani epadivi re9th Foot semukuru mukuru kwete hors de combat. Ushingi hwake hwakacherechedzwa naGeneral Sir Thomas Graham. Achibatira mukambani yechiedza yebato rake, akarwa muHondo yeVitoria muna June 1813 uye paKukombwa kweSan Sebastián. Pano, pakurwiswa kwokutanga musi wa 25 Chikunguru 1813, akatungamirira tariro yakaparadzwa uye akakuvadzwa kaviri achitungamirira boka rinopinda. Akatungamirira 9th Foots light company paHondo yeBidassoa muna Gumiguru 1813 kwaakakuvadzwa kechitatu. Akakwidziridzwa kuva kaputeni mu7th Battalion 60th Royal American Regiment musi wa 3 Mbudzi 1813. Aendeswa kuHalifax, Nova Scotia, akanga anonoka kuona basa muHondo ya 1812 uye nokukurumidza akadzokera kuEurope achitambura maronda ake. Nemhaka yokuderedzwa kweuto pashure peWaterloo chiverengero chemauto eRoyal American chakaderedzwa zvikuru. Kuti arege kupiwa hafu yebhadharo Campbell akaendeswa ku21st Royal North British Fusiliers musi wa26 Mbudzi 1818. Rejimendi racho rakatanga kutumirwa kuBarbados uye rakabva razoendeswa kuDemerara, uko Campbell akava mubatsiri womutungamiriri. Rutivi rwake mukudzvinyirira kupandukira kwavaranda muDemerara muna August 1823 haruna kujeka. Hazvina kunyorwa kuti akabatanidzwa mukudzorera varanda vaiteverwa nomukuru mukuru wake, Lieutenant-Colonel Leahy, asi akanga ari padare rehondo rakapa mutongo worufu kuna Reverend John Smith, aifungidzirwa kuti ndiye akanga apinza vanhu mumhirizhonga. Akatenga ruzhinji rwake musi wa 26 November 1825. 