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
Emergency Reserve Decoration is attached to a metal ring on top of the crown and is finished at the top with a brooch bar bearing the inscription "ARMY EMERGENCY RESERVE". The medal is 55mm high and 37mm wide. The official order of wear specifies that the ERD is worn after the Hong Kong Disciplined Services Medal and before the Volunteer Officers' Decoration. Emergency Reserve Decoration The Emergency Reserve Decoration (ERD) is a British military decoration, instituted in 1952. This silver and silver-gilt decoration was awarded to officers of the Army Supplementary Reserve or Army Emergency Reserve for 12 years continuous or aggregate service