Pedzisa mutsara unotevera: Davidson akazoita basa muSouth Africa muHondo yeAnglo-Zulu ya1879, panguva iyo akakuvadzwa muhondo yekupedzisira yehondo paUlundi. Akakwidziridzwa kuva kaputeni muna Ndira 1880, uye mugore rimwe chetero akarwa muchikamu chechipiri cheHondo yechipiri yeAnglo-Afghan. Ishe Napier vakagadzwa kuva Gavhuna weGibraltar muna 1876, naDavidson zvakare kuva "mubatsiri wake-de-musasa" kubva muna December 1881 kusvika muna December 1882. Pashure paikoku akadzokera kubasa muBritish India, uko akasimudzirwa kuva mukuru uye akatumirwa kuIndia Ordnance Department. Mamwe kukwidziridzwa muRoyal Horse Artillery kwakatevera muna Ndira 1896, paakakwidziridzwa kuita lieutenant colonel, uye colonel muna Ndira 1900. Izvi zvakabatana nekugadzwa kwake kuvashandi veRoyal Artillery muSouth Africa panguva yeChipiri Hondo yeBoer. Akatungamirira Royal Horse Artillery pakufamba kwavo kunobvisa Kimberley, uye akanga aripo pane dzimwe nharo dzinoverengeka, kusanganisira Hondo dze
Paardeberg, Poplar Grove, uye Driefontein. Davidson akanongedzerwa mumakadhipatimendi nokuda kwezviito zvakatanhamara mukati mehondo. Akasiya chinzvimbo chake muvashandi muna Ndira 1901, uye akaiswa pachinyorwa chehafu-mubhadharo, asi akadzokera kuvashandi muna Gumiguru wegore rimwe chetero. Nokuda kwebasa rake muhondo, akashongedzwa neMenduru yaMambokadzi, ine zvipfigiso zvina. Muna April 1901, akaitwa Companion kuOrder of the Bath. Mushure mehondo, akadzokera kuBritain kwaakanga ari Colonel weVashandi vaitungamirira Royal Artillery, North-Eastern District, vasati vabvisa nzvimbo yacho uye vakaiswa pane hafu yebhadharo muna Gumiguru 1904. Makore matatu gare gare, muna January 1907, akarega basa rechiuto.