what you have to really look at here is the fundamental nature of air traffic control system there as well as here. the foundation is really 1960s technology. they built a system on top of it with computer capability and in the case of the united kingdom, it's a public/private partnership. it's been privatized. a company has been trying to develop it to make it more high tech but but you basically are trying to build the airplane while it's in flight to use that metaphor here and create a new system while allowing for safety every day and a system that grows every day. it's a difficult challenge to have this combination of old technology kind of with wire and duct tape attached with overlay of more high technology. this particular center has been problem plagued behind schedule, over budget, and it's had a series of outages as they try to improve the system there. improvement is not so easy. >> what about us? we know that the faa is saying