The medal with corded riband, and now 'sans' brooch barThe 'Matt' look / appearance, and wear indicates a strike from the Korean War / Vietnam War eraThe National Defense Service Medal (NDSM) is a service medal of the United States Armed Forces established by President Dwight D. Eisenhower in 1953There have been 4 x distinct periods of award for the NDSMEligibility for the NDSM was expanded by executive orders issued in 1966, 1991 and 2003To date, the NDSM has been awarded for four specific time periods, which roughly correspond to the Korean, Vietnam and Gulf War eras as well as the Global War on TerrorismCondition: VF