square kilometer of that initial search area examined, you know, i'm not really convinced that all hope is lost. you know, i still, let's finish the search effort that is under way now and then we can talk about plan "b". >> you can look at it two ways. on one side, past two-thirds, that supposedly yesterday. and look at air france 447, mary, and that was two years, om ten weeks of searching. david gallo says that's because we took a lot of time in between searches the do the best recognizance we could do before we moved forward. >> right. and they had the coordinates where they believe the airplane did enter the water. they had debris and three underwater search vehicles. even with all the additional assets and information, it took a long time. so, yeah, i'm with shawn. they have barry began the search if you compare it to some of the searches in the past. this is still in a preliminary stage. so it's certainly not hopeless