Bring back a disbanded Spartan Company

Games Halo 5: Guardians
1

My friend accidentally disbanded her spartan company and had a ton of progress on the company, is there any way to get it back now that its gone?

2

Locking in favor of:
https://www.halowaypoint.com/en-us/forums/8f4648981f554a9d86527a5754966e89/topics/spartan-company-accidentally-disbanded/672be516-b8e5-4519-b5b4-13b9dc5365ee/posts?page=1