Yesterday Houston said the findings signal the plane's black boxes in the search area into the most promising clue so far . While the hope of finding flakes or debris MH370 at sea level is now diminishing.
Houston also said that at this time the possibility of deploying an unmanned submarine Bluefin - 21 made in the United States is getting closer .
" I think we are getting close to that time , " he said , as reported by the site asiaone.com , Tuesday ( 8/4 ) .
Search now focused into the region 600 kilometers south of the Indian Ocean , or the west coast of Australia
(see also: lomba burung dara)
Australian Deputy Prime Minister Warren Truss expressed optimism tone against MH370 search process .
"Today is an important day when we tried to get back the signal from the black box MH370 , " he said .
Two days ago an Australian owned ship Ocean Shield detects two signals from the plane's black boxes at a depth of 4,500 meters below sea level