The Search for Flight MH370

Relatives of passengers on flight MH370 pray at a praying room at Lido Hotel in Beijing, March 24, 2014.

Members of Japan's disaster relief team wave to a Japan Maritime Self-Defense Force aircraft as it prepares to to search for flight MH370, at the Royal Australian Air Force base Pearce in Perth, March 24, 2014.

A woman read message cards for passengers aboard flight MH370 at a shopping mall in Kuala Lumpur, March 24, 2014.

Relatives of Chinese passengers aboard missing flight MH370 walk out from a meeting room in a hotel in Beijing, March 23, 2014.

Rescue coordination chief Mike Barton shows Australia's Deputy Prime Minister Warren Truss the map of the Indian Ocean search areas at a rescue coordination center in Canberra, March 23, 2014.

Family members of passengers onboard flight MH370 raise their fists as they shout "return our families" at the Lido Hotel in Beijing, March 22, 2014.

A pod of dolphins is seen from a Royal New Zealand Air Force aircraft searching for missing flight MH370 over the southern Indian Ocean, March 22, 2014.

Australian aircrew members man radars and sonar as they search for flight MH370 in the southern Indian Ocean, March 22, 2014.