Security

How to stop the next aircraft bomb

How to stop the next aircraft bomb

As Tuesday's tragedy in Belgium made clear, air travel remains vulnerable to determined terrorists. Three plotters, at least one of whom wore a suicide vest, killed or maimed hundreds by striking the unsecured front of the Brussels Airport, the departures terminal. The attack sparked an important debate about extending the security perimeter, as airports like Israel's Ben Gurion International and LAX have done to some degree.

But the check-in counter and the approaches to the airport aren't the only danger zones. For terrorist groups around the world, smuggling a bomb onto a plane is still the Holy Grail. And as recent attacks demonstrate, terrorists are learning to exploit...

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