Armor unlock halo 5

Games Halo 5: Guardians
1

Hi,
i knew we had to Watch all Nightfall serie épisodes to get one of those armors on halo 5. I did and i never received it…
What can i do for it?

Thank you!

M0nsieur patat3

2

I guess you have to wait until the game releases,in order to access them?