For information, not a great shock really considering the amount of aircraft they have.
http://www.avweb.com/avwebflash/news/Air-Force-Will-Miss-ADS-B-Deadline-225795-1.html
I can confirm hardly any of the heavies have ADS-B yet. At least in North America.... I have great range in to New York state..there are many air force bases with C-130's withing my scope....None of them have yet to show up ADS-B equipped.
Jason
A handful of KC-10 have been done so far from what I have seen
Alan
The USN E-6's have and also seen some C20/37s with full ads-b
Graham