Unmanned Vehicles: A (Rebooted) History, Background and Current State of the Art.

This introductory overview is an update to the original précis paper in JLIS vol 19(1) by Gogarty & Hagger. It provides a contemporary summary of unmanned technology in use at the time of publication. Legal analysis and commentary from the original précis has been removed. Comments and responses by authors in this edition should be taken to refer to the original précis paper. [ABSTRACT FROM AUTHOR]