part of the church. beyond that the hurdle has become extremely high. they will use mathematical models to see how far it drifted. sonar voice cboo wes can be dro into the water to pick up pings from the black boxes or emergency locator transmitters. they can only be detected from a mile away and batteries only last 30-days. they would send manned or unmanned subs but the plane could be 12,000 feet deep. the crash was back in 2009. it took two years and $100 million to recover the black boxes add to that the indian ocean is known for under water volcanoes earthquakes and land slides and if you have lava or mud on the wreckage, megyn, the astronomical odds get even