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.
royal merchant ship. Royal Mail Ship. Royal Mail Ship (sometimes Steam-ship, Steamer), usually seen in its abbreviated form RMS, is the ship prefix used for seagoing vessels that carry mail under contract to the British Royal Mail. The designation has been used since 1840[1].