Mainly another emergency service it opens up a howle new roleplay experience like you can be a volunteer and be on the civ and once that pager goes off you have to get to the station quickly to launch a lifeboat and if needed you can call in a HM coastgaurd coastgaurd (HM coastgaurd can be a role like met and they deal with search and rescue and any coast issues). Also a quick note the last one I made turned out to a dupe sorry I didn't know