Rebecca Hail
Cap ships are property of the navy. They're not issued to minor factions, they just fight with the Navy for them when needed.
It doesn't happen often that entire military divisions go rogue, especially not in stable nations + it'd be foolish to assume that there are no security mechanisms in place to prevent that.
One of the lore beacons talks about Gutamaya selling unarmed Majestic cruisers to Sirius Corporation. Gotta make those deals in style, you know?