Pinger Emits News Today

Crashed into the atlantic ocean in 2009. thank you bouch so much for joining us. jeff, let me start with you. and explain to us if you will what else could be under water that would make a pinging noise the same as black boxes do. >> okay. good morning. the song that the pinger emits have very unique. the designs and pinger around it were selected because of that. its unusual for something natural to emit a sound like that, so this is certainly something that would most likely be manmade. so if ...