In this Wednesday, Jan. 5, 2011, photo, a Chinese J-20 stealth plane is seen after finishing a runway test in Chengdu, southwest China. State media are reporting on the appearance online of photos that appear to show a prototype Chinese stealth fighter undergoing testing. (AP Photo/Kyodo News)

In this Wednesday, Jan. 5, 2011, photo, a Chinese J-20 stealth plane is seen after finishing a runway test in Chengdu, southwest China. State media are reporting on the appearance online of photos that appear to show a prototype Chinese stealth fighter undergoing testing. (AP Photo/Kyodo News)