identify it by serial numbers, take photos, send those to boeing and malaysian air and get confirmation that this is or is not flight 370. in the last 24 hours, as you said, two sightings. the chinese plane. hours later, the australian plane. two objects. one gray-green, and circular. that's consistent with a metal airframe. the second, orange and rectangular. that's like a life raft or a passenger slide. the aussie's tried to keep sight of these objects until a ship arrived, but all the planes ran out of fuel. >> it's very difficult to get the next aircraft or the next ship on to the spot to take over, watching where the object is because they're all at the end of their endurance vand hav to leave. >> so it's 2:00 a.m. in perth. expect those planes up shortly. also, the u.s. navy bringing that underwater microphone to