Trait: Faith in the Men

The chapter used an organizational structure that predates the establishment of the codex: Astartes. All Tactical squads now contain 10-20 marines. (may not be taken with By your arms)

This trait was kinda inspired by the idea of the Space Wolves 13th company. The marines have been isolated or cut off for so long that the codex has been forgotten and instead of squads, they now fight in bands or groups. These groups are typically larger then a normal squad.