Arnold akaberekerwa muGainesville, Florida, wokutanga pavana vashanu vaMajor Albert C. "AC" Arnold uye aimbova Irene Dominick. Mufambi ane ruzivo rwakakura, AC Arnold akanga arwa muHondo yeBoer parutivi rweBoers; akabatana neSeventh Cavalry semurwi; akanga ari mutambi wechikepe; akarwa parutivi paBrigadier General John J. Pershing paMexico Punitive Expedition
; akapiwa Distinguished Service Cross nokuda kwezviito ne 1/326 Infantry paChâteau-Thierry munguva yeHondo Yenyika I; akaenda kuchikoro chemutemo; uye akapiwa nzvimbo dzinoverengeka muuto revanhu munguva yerunyararo asati adzokera kuSeventh kuFort Lewis, Washington, kwaakafira muna 1932.