The Empire of the Onyx Shield will always be looking to enlist new people. More information can be found here:
https://www.halowaypoint.com/en-us/forums/504760bd1678460abcc89e5f5e1ad7a1/topics/new-legion-empire-of-the-onyx-shield/548e8f9f-a717-4f39-9864-196a38478f47/posts?page=1