F-22 "Raptor" by the U.S. Lockheed • Martin, Boeing and General Dynamics jointly designed a new generation of heavy stealth fighter, the average cost of about 1.4 billion U.S. dollars. "Raptor" is not only superior mobility, but also has advanced stealth technology. "Raptor" speed of more than 1,600 kilometers is the most potential opponents more than twice.

       U.S. pilots gathered in the "flying career," the forum, many people have said that the fate of the missing aircraft and pilot concerns. British "Flight International" magazine website, the missing "Raptor" the third part of the U.S. Air Force Flight Team, this year July 28, the brigade had just had a C-17 transport plane crashed, killing four crew members were killed.

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       Previous "Raptor" fighter has crashed twice, both in the test phase. If the this aircraft "Raptor" was eventually confirmed the crash, it would be the first U.S. military aircraft crashed in the "combat deployment phase" of the "Raptor." December 20, 2004, Nellis Air Force Base in Nevada, a part of pilot assessment of Battalion 422 "Raptor" fighter crashed on takeoff, the pilot ejected. March 25, 2009, a "Raptor" fighter jet at Edwards Air Force Base, California, crashed, a pilot was killed.

       Air Force Command College of China and Wang Ming-chi 17, "Global Times" reporter, said given the current news from the U.S. perspective, more than five hours "lost contact" means that the F-22 fighter aircraft has not been fuel supplies. The "Raptor" the battery life of 4 hours or so, so the U.S. military announced the news at the same time, the plane should have been run out of fuel aircraft, landing it could not be ruled out, but the possibility is clearly a very large crash.