Originally Posted by MarkB.

I'd sign off on an S19 test. That'd explain the pitot tube nose. The little fin section could very well be .75 inches larger than the Nike; it would be really hard to detect at this range in a picture. And the fitting between the fins could be a camera.

That would be a heck of a test to see if the little fins could bring the mass of an HJ-Nike stack to a more vertical line.