Guncam footage - why aren't those gunners doing anything?

[HenFre]

Originally Posted by swiss

0:08: Whatever leaves the planes there is rotating damn fast. It's either a part of the plane that fell off or something they threw out.

I do not think that the thing/crewmember is rotating. Allthough it looks like it is spinning around it seems to be because of the low quality and low resolution of the video.

But then again I could be wrong