. . . "YAL-1" . "L-1" . . "Boeing YAL-1 Airborne Laser" . . . "YFC-36" . . . . . "Boeing YAL-1" . "Boeing YAL-1" . "modified" . . . "Boeing 747s" . . "Airborne Laser" . "1" . "YAL-1 Airborne Laser" . . . . . . "YAL-1 747 Airborne Laser" . . . . "ABL" . . . . . "Airborne Laser Test Bed" . . . "Airborne Laser Program" . . "AL-1B" . . "military purposes" . . "YAL-1A" . "AL-1" . "Airborne Laser program" . . . . "2014-09-25" . .