officer who were also flying. again, remember, this is a very long trans pacific flight. so the four crew members are there for relief, so that others can get rest. when we interview those four crew members, we are going to get a lot more details about their activities, about their work, about their training, about who was the pilot floiiy,o was the pilot in command. we are looking to correlate all of that information with what we are finding on the cockpit voice recorder and flight data recorder. it was important for us to wait for the arrival of our korean counter parts and asiana when we do interviews. we also have pilots who also might need translation services