TY - BOOK AU - APTHORPE Claire TI - Stemming the tide PY - 2014/// KW - PORT SECURITY KW - UNMANNED SYSTEMS KW - UNMANNED SUB-SEA VEHICLES KW - UNMANNED MARITIME VEHICLES KW - LITTORAL WARFARE N2 - Harbours and ports can be protected by an increasingly sophisticated range of unmanned and autonomous systems. This article outlines some systems already in use and notes that they could also play an important role in littoral environments ER -