David Blacknell is currently a Dstl Fellow and a visiting Professor at University College London. He has worked on a large variety of topics in radar signal and image processing during his career which has included senior technical roles at DERA, QinetiQ, and Cranfield University. He is a recognised international expert on radar image exploitation and has been the recipient of two CSA commendations for contributions to Defence Science and Technology.Hugh Griffiths holds the THALES/Royal Academy Chair of RF Sensors in the Department of Electronic and Electrical Engineering at University College London, UK, and serves as President of the IEEE AES Society for 2012/13, as Editor-in-Chief of the IET Radar, Sonar & Navigation journal, and as a member of the Defence Scientific Advisory Council for the UK Ministry of Defence. In 2012 he was awarded the A F Harvey Engineering Research Prize by the IET.