Speculation about X37-B Mission
Prior to, and just after it's launch, there's been a great deal of speculation about this vehicle, some of it unnecessarily puzzled (imho)
This article indicates, to me anyway, the answer to the big mystery has been "hiding" in plain site the whole time.
Regardless of it's pedigree, X37-B seems to me like sort of a LEO Global Hawk as well as very handy long duration Swiss army knife, for the USAF