U.S. military a “Global Hawk” by the Chinese missile shot down in the Bohai Bay
United States, “Washington Post” recently reported that the U.S. military a “Global Hawk” on June 15 took off from the local U.S. military mission to East Asia, South Korean waters in the missile attack was unknown, crashed in China, the Bohai Bay region. The article said that according to U.S. intelligence agencies inside information, the missile is likely to be China’s air defense missiles, HQ-10A, because North Korea is now the United States can not afford to lay a high-altitude reconnaissance aircraft, and HQ-10A is the Chinese HQ-10 upgrade, a special To deal with the United States, “Global Hawk” and other advanced surveillance aircraft designed.
article said, was shot down, “Global Hawk” is the U.S. territory of Guam Air Force Base number YH100 of improved surveillance, crash site in China, the Bohai Bay region, its China’s military wreckage has been removed. Deputy Commander of U.S. Pacific Pili La 16, said the U.S. Defense Department has protested to China, asked China to be held responsible, and the return shot down, “Global Hawk” remains.
Si Luopu Grumman’s RQ-4A” Global Hawk “is the U.S. Air Force and the world’s most advanced unmanned aerial vehicles. Prototype first flew in February 1998, June 2000, a complete “Global Hawk” deployment to Edwards Air Force Base. “Global Hawk” fuselage length 13.5 meters high 4.62 meters, wingspan of 35.4 m, maximum takeoff weight of 11,622 kg. Wingspan and 747 are similar, so the “Global Hawk” unmanned aerial vehicles is a huge. “Global Hawk” on-board fuel over seven tons and a maximum range of up to 25,945 km, autonomous flight time of up to 41 hours to complete the transcontinental flight. From the emitter in the range of 5556 kilometers activities in the target area over 18,288 m at the residence 24 hours. Flight control system using GPS global positioning system and inertial navigation systems, can be done automatically from takeoff to landing of the flight.
remote high-altitude Global Hawk unmanned aerial vehicle (haeuav) program is designed to meet the air defense Reconnaissance Office (daro) joint force headquarters to provide remote reconnaissance capability needs and design of. Global Hawk has a field day and night from enemy territory, to provide data and 24×7 response capability, as long as the military needs it can start. rq-4a “Global Hawk” is the U.S. Air Force and the world’s most advanced unmanned aerial vehicles. As “High persistence Advanced Concept Technology Demonstration” (actd) part of the plan, the plan was initiated in 1995.
actd originally planned by the Defense Advanced Research Projects Agency Management, October 1998, transferred to Wright Patterson Air Force Base Air Force ? System Program Office to take over. Later, “Dark Star” program in January 1999 canceled.
“Global Hawk” part of the development plan
“Global Hawk” development program divided into three parts: the design, development and testing, deployment and evaluation. Es related companies, including electrical systems company, it information technology company, Integrated Systems is the company, ships systems and constitute the company.
2005 August ? Northrop Grumman receives Air Force contract to provide two early autumn this year, production rq-4a. The $ 21 million contract awarded June 2. These aircraft will join the global war on terror now support the Advanced Concept Technology Demonstration theater-type “Global Hawk” unmanned aerial vehicle ranks. Has so far deployed the “Global Hawk” in the 200 missions flown more than 4,300 combat hours.
“Global Hawk” achievements
“Global Hawk” in February 1998 the first flying in the implementation of the plan period, completed actd 58 takeoffs and landings, a total of 719.4 hours flight. In March 1999, second prototype crashed, carrying a special “Global Hawk” design of the surveillance sensor system damage; December 1999, III machine roll on the runway when the accident, the destruction of another sensor system. So after the flight, there is no installation of electronic/infrared sensor system. However, a separate test synthetic aperture radar surveillance, and reconnaissance images obtained. March 2000 to continue flight in June a complete “Global Hawk” system re-deployed to Edwards Air Force Base.
2001 年 4 22, “Global Hawk” to Australia from the United States completed a transoceanic flight initiative. Is both manned aircraft, and only one of the few to cross the Pacific, such as a large airliner. This is the first UAV to accomplish this feat. Flight distance also makes the “Global Hawk” can stay in the air over a target up to 42 hours for continuous monitoring. “Global Hawk” support cabin and ground stations can use a c-5 or two c-17 transport, “Global Hawk” in itself does not need air, because the transition range of 25,002 km life time 38 hours, can fly to any desired destination.
Global Hawk in April 2001 for the flight test, reached the 19,850 meters of altitude, and without breaking the Jet Propulsion the task of human endurance flight record of 31.5 hours. The record was maintained UAV compasscope-r 26-year-old world record.
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