Rubuta ci gaba ga wannan sakin layi - A shekara ta 1908, De la Mora yana tare da Rukunin Sojoji na 21 da aka kafa a Fort Logan <unk> kusa da Denver. Ƙungiyar 'yan bindigar 21st, shekaru 4 da suka gabata a Fort Snelling, a ƙarƙashin jagorancin Charles W. Graves (wanda aka haife shi a 1864 Kenton, Ohio), yana ɗaya daga cikin ƙungiyoyi bakwai na soja da aka zaɓa don yin aiki a Saint Louis World Fair
na shekara ta 1904.