How long does it take to become a first sergeant in the Army?

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Tags

1. #ranks
2. #service
3. #requirement
4. #sergeant
5. #first
6. #eligible
7. #minimum
8. #major
9. #class
10. #promotion
11. #there
12. #requirements
13. #candidates
14. #grade
15. #years
16. #master
17. #following