before they have to make the long flight back. for crew time as far as gas, it is certainly something that they have to be mindful of. but the most planes in the air today, this is the fourth day that australia has led the search in this section. so don, yes, the prime minister has said that. and certainly we can see an increase in the number of countries involved, in the number of planes that are heading to that area. >> appreciate your reporting, keon is going to be standing by. we're getting a ton of questions on the captain and his copilot. returning is our panel right now. first to you, mr. miles o'brien, this one comes from jake. he says, is anyone aware of any medications the pilot or the copilot could have been prescribed that could have led to impulsive decision-making? miles? >> well, we're not aware. this goes in the category of thins that haven't been released by the malaysian authorities. i'd like to know a lot more about the two of them. and a little bit about how they were 90ing in the ten flights