DHS ponders microwave raygun missile defences at airports

The US Department of Homeland Security (DHS) will consider fitting high-power microwave electropulse rayguns at US airports, in order to defend against the threat of terrorists firing portable anti-aircraft missiles at airliners. http://www.theregister.co.uk/2008/04/04/microwave_dhs_airport_raygun_missile_defences/