Pedzisa mutsara unotevera: 17th Cavalry Regiment yakarongedzwa pasi pemitemo yeNational Defense Act ya1916 paFort Bliss, Texas musi wa30 Chikumi 1916 uye yakaumbwa musi wa1 Chikunguru 1916. Brigadier General John J. Pershing akanga atora mapoka ake kupinda muMexico nguva pfupi yakanga yapfuura uye kudikanwa kwamasoja anotasva mabhiza kwakanga kuchimanikidzira. Vakuru makumi matatu nevaviri uye varwi mazana manomwe nemakumi mapfumbamwe nemumwe kubva ku1st, 3rd, 6th, 8th uye 14th Cavalry Regiments vakaendeswa senzvimbo yechirongwa chechirongwa chitsva. Vakawanda vavo vakayeuchidzwa kubva ku
Rwendo Rwokuranga rweMexico uye sezvo vose vakanga vari varwi vane ruzivo, nguva shomanene yakashandiswa mukurova sangano racho kuti riite. Mutungamiri wehurumende, Colonel Willard A. Holbrook, akatora mutungamiri musi wa 9 Chikunguru 1916, musi iwoyo varume ve8 vakabatana ne17th Cavalry Regiment. Colonel Holbrook akabata basa kusvikira akwidziridzwa kuva mukuru mukuru.