National Defense Service Medal Coin Racks Criteria: For United States Air

Criteria: For United States Air Force service caps

and rounded at the top with a gold 20-ligne button positioned in the upper end of the knot

The DSC was first established and awarded during World War I

The Global War on Terrorism Service Medal is a similar award

National Defense Service Medal Coin Racks Criteria: For United States AirNational Defense Service Medal The National Defense Service Medal (NDSM) is a decoration presented to recognize all military members who have served in active duty during a declared "national emergency". To be eligible, members must have served honorably during one of the following time periods: The Korean War from June 27, 1950 July 27, 1954; The Vietnam War from January 1, 1961 August 14, 1974; The Gulf War from August 2, 1990 November 30, 1995; the