The 11 most game-changing aircraft of the 21st century

Today's most sophisticated aircraft are the stuff of science fiction.

In a few years, drones that can fit in the palm of a person's hand and 117-foot-wingspan behemoths capable of launching satellites into space will both be a reality.

At the same time, drone and advanced fighter technologies will spread beyond the US and Europe, and countries like China, Russia, and Iran may have highly advanced aerial capabilities.

Here's our look at the most game-changing aircraft of the past few years - and the next few to come.