Network-attached storage (NAS) is a type of dedicated file storage device that provides local-area network local area network (LAN) nodes with file-based shared storage through a standard Ethernet connection.
A ship prefix is a group of letters, typically an abbreviation, that some factions insert into the names of their military and/or civilian ships.
Registry numbers or hull numbers are similar, and can also be created fairly easily depending on what type of ship it is. Prefixes that are retools of already existing ones (USS, HMS) would not be counted here. Compare Fantastic Honorifics and Fantastic Rank System.