Completely NSR... I'm still not sure I believe what I see here...
 

OK, I've been had.

That is a model. Power to weight on an RC model makes it possible to fly with no wings. Youtube searches will yield many videos of other models doing the same thing.

This particular video is of model of a real aircraft. Someone did quite a nice job on blending video of the real aircraft with video of the model. Got me!

Here is another model: YouTube - Plane Loses Wing In Mid Flight

Here is a video of the real thing... an Israeli F-15 that lost a wing in a midair and landed:
YouTube - Pilot lands F-15 with only one wing

Here is an account of something like the real thing.

Zlin wing Structural Failure Report - Neil Williams