Rubuta ci gaba don wannan sakin layi - Bugu da ƙari, aikinsa a ilimi, Williams kuma yana da aikin soja mai nasara. Ya fara aiki a matsayin Laftanar na farko tare da Indiana National Guard kusa da iyakar Mexico a 1916 a lokacin da Mexican Border Expedition
Ka yi haƙuri. A ranar 17 ga Afrilu, 1917, Jami'ar Indiana ta kafa shirin horar da sojoji a Bloomington da ake kira Student Army Training Corps tare da Williams a cikin umurnin. A cikin 1919, an canza sunan Student Army Training Corps zuwa Reserve Officers Training Corps. Daga shekarun 1917 zuwa 1919, ya yi aiki a cikin Rainbow Division a matsayin Kyaftin din Sojan Amurka na Field Artillery tare da Sojan Amurka. Daga 1921 zuwa 1931, ya yi aiki a matsayin jami'in a Indiana National Guard Field Artillery. Daga 1931 zuwa 1939, ya yi aiki a matsayin Kanar kuma Shugaban Ma'aikata na rukunin 38 na Indiana National Guard kafin ya ba da umarnin 113th Quartermaster Regiment, kuma a ƙarshe ya zama Quartermaster na rukunin 38 a cikin sabis na ƙasa.