(NBC News) The United States has sent two Navy ships, helicopters and an airplane to help search for a Malaysian airliner that vanished early Saturday.
They're joining ships and aircraft from nine other countries currently scouring the sea, looking for any signs of the Boeing 777 that left Kuala Lumpur Saturday for Beijing and disappeared about an hour into the flight.
U.S. Intelligence officers are also working on the case and have video of two unidentified passengers
who boarded the plane using stolen passports.
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