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ABL - Turret Ball Conformal WindowLaser weapons are still the stuff of science fiction, but the Pentagon is working to change that. One such weapon, now undergoing tests, is the Airborne Laser, a Boeing 747-400F that's being modified to deliver a beam that can knock missiles out of the sky.
Work on the ABL Beam Control/Fire Control subsystem is taking place at Lockheed Martin in Sunnyvale, Calif. Here, a space systems engineer inspects the Turret Ball Conformal Window through which the laser beams will pass.