Rubuta ci gaba don wannan sakin layi - A lokacin yakin Mutanen Espanya da Amurka (1898), Marines sun jagoranci sojojin Amurka a cikin Philippines, Cuba, da Puerto Rico, suna nuna shirye-shiryen su don turawa. A Guantánamo Bay, Cuba, sojojin ruwa sun kama wani sansanin sojan ruwa wanda har yanzu ake amfani da shi a yau. Tsakanin 1899 da 1916, Corps ya ci gaba da rikodin sa na shiga cikin balaguro na ƙasashen waje, gami da Yaƙin Philippine-American, Boxer Rebellion a China, Panama, Cuban Pacifications, abin da ya faru na Perdicaris a Morocco, Veracruz, Santo Domingo, da Yaƙin Banana a Haiti.
da kuma Nicaragua; kwarewar da aka samu a cikin ayyukan tawaye da 'yan tawaye a wannan lokacin an karfafa su a cikin "Kananan Manual Wars".