In this Wednesday, March 26, 2014 photo, Sensor Employment Manager Neville Dawson keeps watch on the radar on board a Royal Australian Air Force AP-3C Orion during a search for the missing Malaysia Airlines Flight 370 in the southern Indian Ocean. A French satellite scanning the Indian Ocean for remnants of the missing jetliner found a possible plane debris field containing 122 objects, a top Malaysian official said Wednesday, calling it "the most credible lead that we have." (AP Photo/Paul Kane, Pool)