functional, i agree with geoff on that. the reason it didn't perform is because you have to have a participating air traffic control in the system. i don't believe they participated. as far as turning it off, it's not the transponder that turns it off, but a function on the 777 of the flight management computer and then it can be turned off. next gen is going to the united states because we are participating in next gen. with other countries. europe is participating. other countries are and i'm not familiar with the far east. that's why the system failed with malaysia 370. >> david soucie. >> i was on the team that wrote the funding document that goes to congress for next gen. if you want to go to know more about next gen you need to talk to me. it is sending a signal out, which is -- unless i'm not going after you hear, i'm talking