343 details how the REQ System will work in Halo 5.
Guardians REQ System Introduction (halowaypoint.com)
"Back in June, we revealed the new Requisition (REQ) System for Halo 5: Guardians. Since then we’ve seen a lot of interest from fans wanting to learn more about this system and how it works in the game. So starting this week, we’re kicking off a series of blog entries to give you a closer look at the REQ system, which has been designed to reward players for time spent in Halo 5’s multiplayer experiences. This series will detail multiple aspects of the system, giving you an overview of how things work, and also showcase some of the REQ content that will be available when the game drops on October 27."
Here is an example of some of the cards(over 1000 available at launch)
