Lockheed Martin has announced it has begun final integration of the flight turret assembly for the Airborne Laser (ABL) program.
ABL will be the world's first megawatt-class laser weapon system integrated on a specially configured 747-400F aircraft to autonomously detect, track and destroy hostile ballistic missiles. Lockheed Martin is responsible for the system that will accurately point, focus and fire the laser to provide sufficient energy to destroy the missile while it is still in the highly vulnerable boost phase of flight - before separation of its warheads. The ABL program is managed by the Missile Defense Agency and is executed by the U.S. Air Force from Kirtland Air Force Base in Albuquerque, New Mexico. With the arrival of the flight turret ball from subcontractor Brashear, Lockheed Martin began integrating the turret ball into the Flight Turret Assembly (FTA), which will allow the turret ball to precisely yaw and roll in flight. The flight turret ball complete with a 1.5-meter telescope/beam director, and the lightweight composite roll shell structure, is what visually distinguishes the ABL aircraft from any other 747. It is the distinctive "nose" of the aircraft from which the high-energy laser will be "fired" at threat missiles. The flight ball completion is the culmination of a six-year development effort, during which time the program stabilised the supplier base for large optics and high-performance coatings.
The conformal window, the large piece of glass on the forward side of the turret ball, is one of the largest transmissive optics ever coated. Both the manufacture of the optic and coating of it involved the artful application of science, with glass shaped to exacting specifications to prevent beam distortion, and coated in such a way as to ensure that the high-energy laser isn't reflected and absorbed within the ball while allowing the laser energy to pass through to the intended target.
The completion of the turret ball required close cooperation among a highly specialised industrial team spread across nine time zones. This significant accomplishment would not have been possible without the commitment and concentrated work from the staff at Brashear," said Paul Shattuck, ABL technical director, Lockheed Martin Space Systems.
Lockheed Martin plans to deliver the complete turret assembly to ABL contractor-lead Boeing at Edwards Air Force Base in California, later this year.
Boeing, Lockheed Martin and Northrop Grumman, working closely with the Air Force and the Missile Defense Agency, are developing ABL. Boeing is responsible for developing the ABL battle management system, integrating the weapon system, and supplying the modified 747-400 freighter aircraft. Lockheed Martin is developing the Beam Control/Fire Control system. Northrop Grumman is providing the complete chemical oxygen iodine high-energy laser system.
Lockheed Martin is a world leader in systems integration and the development of air and missile defense systems and technologies. These include the world's first successful hit-to-kill intercept with the Homing Overlay Experiment in 1984, the successful demonstration of the first complete weapon system using hit-to-kill technology with the Terminal High Altitude Area Defense (THAAD), as well as the world's first operational hit-to-kill missile defense system, PAC-3. It also has considerable experience in interceptor systems; kill vehicles; battle management command, control and communications; precision pointing and tracking optics; as well as radar and other sensors that enable signal processing and data fusion. The company makes significant contributions to all 10 major U.S. Missile Defense Systems and participates in several global missile defense partnerships.Share
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