ocr: SR71 Lockheed SR-71 Blackbird US.AIR FORCE H D l Type: Tandem-seat strategic reconnaissance aircraft Engines: Two Pratt & Whitney J58 afterburning turbojets each rated at 29,750 lb static thrust Performance: Maximum speed, 2,189 mph; operational ceiling approximately 85,000 ft; range, at least 3,300 miles without in-flight refueling Dimensions: Wing span, 55 feet 7 inches; length, 107 feet 5 inches; height, 18 feet 6 inches; wing area 1,800 square feet Weights: Empty, 60,000 Ibs; maximum take off, 145,000 Ibs Armament: None The SR-71 is not only the fastest aircraft in the world, but can also ...