Navy plans unmanned aircraft to tackle piracy

The  Indian Navy  is mooting deployment of unmanned surface and sub-surface vehicles to strengthen its anti-piracy operations.  The Navy has submitted its qualitative requirements for a ship-track-and-trail vehicle to the Vizag-based Naval Science and Technological Laboratory (  NSTL ) for "tackling non-state threats and players". The move is to develop an unmanned vehicle that can be deployed from a naval ship to recce waters in an operational area for suspicious movement and presence of hostile elements. "Navy's id…