Dee ihe na-eso paragraf a - Mgbe Agha Ụwa nke Mbụ tiwapụrụ n'August 1914, e nyere Krueger ọrụ dị ka onye na-eleba anya na ndị agha Germany mana a manyere ya ịjụ ya n'ihi ọrụ ezinụlọ. Kama nke ahụ, e zigara ya na 10th Infantry nke Pennsylvania Army National Guard. A kpọkọtara ndị agha ahụ na 23 June 1916 ma jee ozi n'akụkụ ókèala Mexico ruo ọnwa ise dịka akụkụ nke Njem Nleta Ahụhụ Mexico.
N'okpuru Major General John J. Pershing, ọ bụ ezie na onweghị ndị National Guard lụrụ ndị agha Mexico ọgụ. E wepụrụ ndị agha ahụ n'October 1916.