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Turret on 747
The turret ball assembly will be mounted on the nose of the aircraft. It will be the exit site for the high-energy laser intended to destroy missiles in flight and the return window for low-power lasers that will track the target and assess atmospheric conditions.
ABL in action
This is how the Pentagon envisions the ABL in action. The goal is to interdict missiles shortly after launch when they are in the vulnerable boost phase--and before they get close to U.S. soil.
747 at takeoff
The 747 in its current, nonweaponized state, at takeoff. A flight test with the low-power, solid-state lasers is set for later this year. The high-power chemical laser is still going through ground testing.