Army of Puerto Rican Occupation Medal
The Army of Puerto Rican Occupation Medal was a service medal of the United States Army which was created by order of the United States War Department on 4 February 1919. A retrospective award created decades after the action commemorated, the medal recognized Army service from 14 August through 10 December 1898 in Puerto Rico.
Source: Wikipedia — Army of Puerto Rican Occupation Medal (CC BY-SA 4.0)