Fastest animals
The fastest land animal is the cheetah, which has a recorded speed of . The peregrine falcon is the fastest bird and the fastest member of the animal kingdom with a diving speed of . The fastest animal in the sea is the black marlin, which has a recorded speed of .
Scramjet programs
In August 2015, it was reported that a Chinese researcher had been awarded for the successful development and test flight of a new scramjet engine, the first of its kind in China. This would make China the third country in the world, after Russia and the United States, to have successfully test flown a scramjet. A new near-hypersonic drone, with a variable-cycle turbo-ramjet engine, has also been flown. It is reportedly the fastest air-breathing recoverable vehicle in the world.