What was the first Fallout New Vegas DLC?

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Tags

1. #money
2. #fallout
3. #honest
4. #world
5. #regards
6. #other
7. #blues
8. #story
9. #order
10. #vegas
11. #release
12. #technically
13. #hearts
14. #opens
15. #lonesome
16. #while
17. #could
18. #direct
19. #sequential