executed this heroic rescue are now reaching the surface as well. for more we go to richard in chile helping to operate the drilling equipment used to free the trapped miners and just returned to the states yesterday. also tom foy joins us a survivor of the creek mine flood of 2002. both work for center rock, inc. guys welcome and thanks for being with us. >> thanks for having us, you are a great american. >> sean: you are a great american my friend. by the way, both of you guys are. first of all, i don't think we give miners enough credit for the hard work they do, those that are in the coal mines the difficulties, the risks they face. can you explain your role in helping this? i know you got back yesterday. >> we brought new technology down that basically affected an early evacuation of the miners. when we first heard about this