Puerto Ricans in the Vietnam War Cambodia from 1959 to April 30, 1975. Puerto Ricans served in different positions throughout the military as commanders, fighter pilots and common foot soldiers. Many of them distinguished themselves in combat and were awarded the highest honors conferred by the military. Five were awarded the Medal of Honor, the highest United States military decoration; five were awarded the Distinguished Service Cross (DSC), the second-highest military decoration of the United States Army; and two received the Navy Cross, the second-highest medal that can be awarded by the U.S. Navy. The Navy Cross is awarded to members of the U.S. Navy or
Medal of Military Valour General of Canada, via the Chief of the Defence Staff. Once they have been decorated with the Medal of Military Valour, recipients are granted the right to use the post-nominal letters "MMV". The Medal of Military Valour can be awarded posthumously, as well as multiple times; as of August 2009, the decoration has been awarded 38 times, though no bars have yet been issued. Medal of Military Valour The Medal of Military Valour () is a decoration that is, within the Canadian system of honours, the third highest award for military valour, and one of three honours for military valour