Ok, the lesson is, do not stand around in large groups when engaging adversary. When maths say, hmm, this is a pretty good bang for the buck, send in the hellfire.
War is a motherfr..... and as technology progresses it will only get nastier. Scared the bejessers out of the camera man. Move small, fast and don't loiter in a static position...as this lesson shows.
Yeah, even as they get decimated, that's their resolve. I would love to be able to whisper to them, "No, this was not God. This was a precision guided, man-made tactical smart bomb. Now, go to school."