very slow process. but they do believe they've far road it. the word they used is manageable. it's not desirable but this area is manageable given time, patience, and effort. >> i keep hearing people refer to the air france investigation and that underwater search and using that two-year figure. i used it early on thinking it took two years to find. but a lot of that was getting permissions and convincing people and dealing with bureaucracies and getting permission to go on site. days searching with vehicles underwater, how long? >> we were there ten weeks and eight weeks we spent in the wrong hay stack. the drift of debris led us to an area where we had no aircraft. then it was eight days. >> eight days? that's incredible. so i mean, if although you were