Rubuta ci gaba ga wannan sakin layi - Iowa ta shirya 1st Cavalry Squadron a 1915, wani rukuni tare da sojoji hudu (kamfanoni) kuma wanda ya ga sabis a kan iyakar Mexico
lokacin bin Pancho Villa. A lokacin Yaƙin Duniya na I, an rarraba rundunar; Sojojin A sun zama rundunar hedkwatar runduna ta 34th, Sojojin B sun sake zama wani ɓangare na Battalion 125th Machine Gun, 34th Division, Sojojin C sun sake zama wani ɓangare na 133rd Infantry Regiment, 34th Division, Sojojin D sun sake zama wani ɓangare na 109th Ammunition Train, 34th Division, kuma an sake tsara ƙungiyar a matsayin wani ɓangare na 301st Cavalry Regiment. Rukunin na 34 ya tura zuwa Faransa a ƙarshen 1918, amma bai ga wani yaƙi ba, kuma an sauya rundunar sojan doki ta 301 zuwa rukunin mayakan daji a lokacin rani na 1918, amma babu ɗayan waɗannan rukunin da aka tura zuwa ƙasashen waje kafin ƙarshen yaƙin.