[2] "Battle star" is also the term used to refer to decorations issued by the United States Navy during World War II and the Korean War to individual ships, recognizing a vessel's participation in a particular battle or operation.For example, when a member is authorized to wear the Iraq Campaign Medal, the potential addition of bronze and silver service stars for the seven designated Iraq Campaign phases would be:[6][7][8] For many of these awards, service stars are earned by participation in campaign phases and all eligible periods for the award fall within those defined phases.Since February 26, 2004, the Global War on Terrorism Expeditionary Medal and the Global War on Terrorism Service Medal (GWOT-SM) are authorized to be awarded with bronze and silver battle stars for personnel who were engaged in specific battles in combat under circumstances involving grave danger of death or serious bodily injury from enemy action.Only a combatant commander can initiate a request for a battle star, and the Chairman of the Joint Chiefs of Staff is the approving authority,[10] which since January 2016 has been eliminated by the Department of Defense for the GWOT-SM.[11] Only one award of the Global War on Terrorism Expeditionary Medal and one award of the Global War on Terrorism Service Medal may be authorized for any individual.