New generation of unmanned spy planes is being tested

An experimental spy plane with a wingspan almost the size of a Boeing 747's took to the skies over the Mojave Desert last week in a secret test flight that may herald a new era in modern warfare with robotic planes flying higher, faster and with more firepower.

The massive Global Observer built by AeroVironment Inc. of Monrovia is capable of flying for days at a stratosphere-skimming 65,000 feet, out of range of most antiaircraft missiles.

The plane is built to survey 280,000 square miles — an area larger than Afghanistan — at a single glance.

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