The events that led to the United States military intervention of 1916, brought about the disappearance of any vestige of military structure in the Dominican Republic, setting the intervening forces a military government headed by Captain William Knapp, who make an interim police force called "Constabulary "equivalent to an" armed police force as a military unit "and he had the task of maintaining internal order and enforce the implementing provisions of the US government. This body, purely police function disappears in 1917, leading to the creation of a National Guard. As a result of this historic event of our recent past, the country inherited a hierarchical and organizational akin to the US Marine Corps structure, which served as a platform to the transformations that later gave rise to the armed forces we know today, made up of three components, terrestrial one, one naval and one air.