Mezue ahịrịokwu na-esonụ: A haziri 17th Cavalry Regiment n'okpuru usoro nke Iwu Nchebe Mba nke 1916 na Fort Bliss, Texas na June 30, 1916 ma guzobe ya na July 1, 1916. Brigadier General John J. Pershing ebutewo ndị agha ya na Mexico nanị obere oge tupu mgbe ahụ, ọ dịkwa mkpa na a ga-enwe ndị agha na-agba ịnyịnya. E zigara ndị isi iri atọ na abụọ na ndị agha ochie narị asaa na iri itoolu na otu sitere na 1st, 3rd, 6th, 8th na 14th Cavalry Regiments dị ka isi nke ndị agha ọhụrụ ahụ. A chetara ọtụtụ n'ime ndị a site na
N'ihi na ha nile bụ ndị uwe ojii nwere ahụmahụ, e wepụtara oge dị nta iji mee ka òtù ahụ guzosie ike. Onyeisi ndị agha ahụ, Colonel Willard A. Holbrook, were ọchịchị na 9 Julaị 1916, ụbọchị nke ndị nwoke sitere na 8th sonyeere 17th Cavalry Regiment. Ọchịagha Holbrook bụ onye nọ n'ọchịchị ruo mgbe e buliri ya n'ọkwa onye isi ndị agha.