Rubuta ci gaba don wannan sakin layi - A ranar 18 ga Yuni, 1916
A shekara ta 1917, Shugaba Woodrow Wilson ya kaddamar da sojojin tsaron kasa don mayar da martani ga harin da Pancho Villa ya kai a New Mexico, kuma ya tura Sojojin B zuwa kan iyakar Mexico a Nogales da Arivaca, Arizona, inda suka kasance har tsawon watanni da yawa suna tsaron iyakar. Kyaftin John Henry Kelso Davis, wanda ya kammala karatun Kwalejin Trinity, shi ne kwamandan wannan aikin.