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.
The designation USS standing for United States Ship was adopted in 1909. Prior to that time, no designation was used in official documents. New-construction ships not yet in commission do not use USS and are instead prefixed with PCU which stands for Pre-Commissioning Unit..