of conformance, then you investigate, human's in the loop checking with the cockpit, captain, co-captain and if it doesn't all add up then take over and take over from the ground. these are technologies that are with us today in many applications and can be merged converged into a system that will be another level of safety net which is very typical of our industry. >> but bruce, this basic technology you're talking about, let's say this intranet for airplanes, how soon could all of that be installed? >> well the infrastructure for this system will begin deploying within the next two years or so. and industry is working towards deploying these systems, of course they have to also install radios data radios as they're sometimes called or digital radios in the airplanes. it's like having a router in