The USAF continues to use the Afghanistan / Pakistan conflict as a test bed for new military surveillance technologies and robotic weapons. The latest thing is apparently the RQ-170, codenamed Sentinel, which is a radar-evading UAV or drone aircraft.
This picture of the aircraft was apparently shot near Kandahar…

It seems that as this conflict drags on, more and more of these things will get wheeled out. Its only purpose seems to have become to field test all these black-project developed technologies that the US security-industrial complex has been churning out. It wasn’t that long after the Predator drone emerged that we saw a weaponized version. It is unclear whether there is any such version of the Sentinel yet, but no doubt there will be soon enough. The increasing reliance on remote-controlled and robotic weapons seems to be a new article of faith amongst the world’s wealthier militaries.