We are now flying UAVs here at our airport. The Golden Triangle Regional Airport owns and operates the UAVs. We fly the UAVs in our Class D airspace under an approved FAA 107 authorization. Our UAVs are a really useful airport tool.
Here is a link to a new news article with more information. http://www.aviationpros.com/press_release/12413581/gtr-airport-uses-drones-for-airport-safety
Hopefully, many more airports will start utilizing UAVs in the future.