radar

These imitations can come in flat-packs, be inflatable, 2D or create a radar illusion of a tank by reflecting radio waves in a special way.

That will take some doing, especially in countries such as Brazil, where American football barely registers a blip on the sports radar with interest dwarfed by the passion for soccer.

The day before Mr San Diego went off the FBI's radar, Mr Smith was hiding in camouflage outside his home.

Pakistan's armed forces heavily used China-made equipment, including fighter jets and radar systems.

Mr McFarlane said BNWAS, radar systems and other safety mechanisms, such as the Automatic Identification System, were fitted with "a number of alarms" designed to alert crew to an impending collision.