Mezue ahịrịokwu na-esonụ: Gregory bịarutere ebe ndị agha mmiri na San Diego na June 1927 ma jee ozi dị ka post quartermaster ruo December 1928, mgbe ọ banyere ụgbọ mmiri maka njem nke abụọ ya na Nicaragua. E kenyere ya na Second Marine Brigade n'okpuru Brigadier General Logan Feland ma jee ozi dị ka onye na-enyere onye na-elekọta ndị agha aka ruo mgbe a kpọfere ya dị ka onye na-elekọta ndị agha na "Guardia Nacional de Nicaragua". Ka ọ nọ n'ọkwa a, o nyere aka n'ọrụ enyemaka n'ihe metụtara
ala ọma jijiji na Managua na Machị 1931 ma bụrụkwa onye odeakwụkwọ nke ndị agha mmiri na Red cross toro. O nwetara Nicaraguan Presidential Order of Merit with Gold star na Medal of Merit with silver star maka ọrụ ya na Nicaragua.