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This engineer is making an adjustment to the beam control optics from the chemical oxygen iodine laser (COIL). This missile-killing beam is expected to pack a megawatt-class punch.
Missile defense system
The ABL is intended to be one element in an overall missile defense system for the U.S. Other elements will include satellite surveillance, radar tracking and interceptor missiles on the ground and at sea, with the goal of having more than one opportunity to hit enemy missiles in various stages of flight.