It also has plans to add an early-warning radar system in western Japan, while South Korea has pledged to speed up the introduction of its own missile defense systems.

WSJ: North Korea Moves Missile to Its East Coast

When boatloads of immigrants began arriving on beaches near Gibraltar in the 1990s, it installed an early-warning radar system based on one that Israel developed to stop seaborne Palestinian guerrilla raids.

ECONOMIST: Spain and immigration: Still they come | The