What is the Meritorious Service Medal awarded for?

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Tags

1. #themselves
2. #january
3. #service
4. #medal
5. #award
6. #achievement
7. #outstanding
8. #members
9. #united
10. #distinguished
11. #presented
12. #military
13. #subsequent
14. #meritorious
15. #forces
16. #states
17. #armed