In article ,
"John A. Weeks III" wrote:

Finally, if they are not military, then what agency operates them
under what authority?

snip

... it is very unlikely that what your parents saw was anything but
a ANG exercise. These kind of things happen all the time.

If not for the Cobra reportedly seen, I might also hazzard a guess that
it could be DEA, which has some Black Hawks in its stock.