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BOEING NKC-135A STRATOTANKER (AIRBORNE LASER LAB)

Posted 1/4/2012 Printable Fact Sheet
 
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Boeing NKC-135A
DAYTON, Ohio -- Boeing NKC-135A Airborne Laser Lab at the National Museum of the United States Air Force. (U.S. Air Force photo)
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Note: This aircraft is currently in storage.

While the KC-135A was usually used for in-flight refueling, the Airborne Laser Lab was a modified version used for flight testing. Similar to the commercial Boeing 707, the slightly smaller KC-135 was designed to military specifications and operated at high gross weights. The KC-135A's initial flight occurred on Aug. 31, 1956, and the USAF accepted its first one on Jan. 31, 1957. By 1966, 732 KC-135As had been built, and the aircraft had become the USAF's standard tanker. It was also used for transporting cargo or personnel and by 1970 was serving in other roles, including reconnaissance, electronic intelligence and project testing.

The NKC-135A on display is one of 14 KC-135As permanently converted for special testing. It was extensively modified by the Air Force weapons Laboratory at Kirtland Air Force Base, N.M., and used in an 11-year experiment to prove a high-energy laser could be operated in an aircraft and employed against airborne targets. During the experiment, the Airborne Laser Lab destroyed five AIM-9 Sidewinder air-to-air missiles and a Navy BQM-34A target drone.

The aircraft was flown to the museum in May 1988.

TECHNICAL NOTES:
Armament: None
Engines: Four Pratt & Whitney J57 turbojet engines of 13,750 lbs. thrust each with water injection
Crew: Four (plus 80 troops)
Maximum speed: 606 mph
Cruising speed: 512 mph 
Service ceiling: 50,000 ft.
Range: 8,673 miles
Span: 130 ft. 10 in.
Length: 136 ft. 3 in.
Height: 41 ft. 8 in.
Weight: 300,000 lbs. loaded
Serial number: 55-3123

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