Below the waterline: the weak link?

Underwater security is currently considered a weak link for ports in the battle against terrorism. ” We are working to augment divers with technology,” says Dr Douglas Todoroff, director of sensing and systems division of the Office of Naval Research in the US. ” Theres a need for regular surveys of ports to accurately geo-reference databases.” Identifying anomalies on vessel hulls could provide protection from threats such as limpet mines.