National Defense Service Medal, and it's applied to all branches. Just means you were in at a time when combat operations were ongoing, it doesn't mean you actually deployed anywhere.
National Defense Service Medal
The NDSM is the National Defense Service Medal, established in 1953 for all branches of the US Armed Services. It is normally received by ALL service members who are on active duty during various conflicts. For this reason, the associated ribbon is often called the "Gedunk Ribbon" in the US Navy - the term gedunk refers to a canteen or snack area aboard ship, and you get the medal as easily as getting a snack out of a machine.
Army Gold Medal was created in 1810.
what was the army comadition medal given for in viet nam
No, the Army Reserve Component Achievement Medal cannot be worn with the Army Active Duty Good Conduct Medal. Each medal is earned for different accomplishments and periods of service, and they are not meant to be worn together.
A small device on a NDSM means the wearer was on active duty during more than one "war period".
Army of Occupation Medal was created on 1946-04-05.
Army of India Medal was created on 1851-03-21.
Polish Army Medal was created on 1999-09-03.
Medal of Merit of the National People's Army was created in 1956.
Medal of Merit of the National People's Army ended in 1990.
Army of Cuban Pacification Medal was created on 1909-05-11.