tony abbott there. for now, any chance of finding flight 370 s black box may depend on this ship. it s called the old shield. it s carrying a detector that can pick up the pings by the black boxes. there is no guarantee it will be successful. we are heading away now from garden island off the coast of australia where the ocean shield began its three-day journey to the indian ocean where it will attempt to locate the wreckage of flight 370. this journey this ship has a lot of crucial technology on it. technology that could be the key to solving this mystery. there s a black box locator, a giant underwater microphone that is towed behind this boat listening for the sound from the