I remember my sister having a big envelope with a page of eyes, a page of noses, a page of mouths, a page of ears and different shapes of face lines to trace and make your own funny faces
Of the jets in production that promise to take military fighters deep into the 21st century and beyond, the U.S. F-35, the Chinese J-20, and the Russian Sukhoi T-50 PAK FA are at the top of the heap.