Battleships have a "frigate escape bay" that you can shove most types of frigates in (no interceptors or coverts, astero is the only frigate with a covert cloak that can be put in there)
Apparently youtube shadow banned the original video and you cant find it trough search anymore. But there the video is still up. Enjoy ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-iFGc9vpN338.html