Table: Robots Take Wing

GLOBAL HAWK, Northrop-Grumman (NOC )

An advanced surveillance aircraft that can take radar and infrared pictures and stay aloft for more than 24 hours

PREDATOR, General Atomics

A surveillance drone that can produce high-quality video of ground action from 20,000 ft.

UCAVs, Boeing (BA )

Unmanned combat air vehicles that can carry up to 3,000 pounds of bombs and missiles


A pilotless high-speed attack helicopter that is still in development, it will provide reconnaissance, armed escort, and air support

Corrections and Clarifications The table accompanying "Planes that know what to bomb" (Science & Technology, Nov. 12) should have said that Boeing UCAVs carry up to 3,000 pounds of bombs and missiles.
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