Tuhia he tomokanga mō tēnei wāhanga - I noho a Key ki te taone o Wewoka, ā, i whakatūria e ia te Key Hardware Co. me te Wewoka Gas Co. ā, i uru atu ki te Oklahoma National Guard. I whakawhiwhia ano ia ki a ia, a, i whakatairangahia ia ki te rangatira tuatahi i te Hurae 12, 1912, me te rangatira i te raumati 1916. Katahi ka riro i a Key te rangatira o te Kamupene G, 1st Oklahoma Infantry Regiment i tu ki Wewoka ka mahi i te rohe o Mexico i te Pancho Villa Expedition
, i te wa i karangahia ai tana roopu mo te ratonga a te kawanatanga i te Poutu-te-rangi 1917 i Fort Sill, Oklahoma.