The initialism was originally a bit of shipbuilder marketing—and now there are many different kinds of ship designations.

Send your unsigned music to BBC Music Introducing in Beds, Herts & Bucks. Team news, all the build-up and interviews ahead of today's matches for our teams.

Jo Good with late night conversation, amazing stories and the soundtrack to your night. Southport's previous MP, Damian Moore, reacts Southport's previous MP was Conservative Damian Moore.