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Inert U.S. Hellfire missile wrongly shipped to Cuba in 2014 - WSJ
U.S. investigators are trying to find out what went wrong and authorities have been trying to get the Cuban government to return the air-to-ground missile, which is often fired from helicopters and used as an anti-tank weapon, those familiar with the matter said, according to the Journal.
(Reporting by Eric Walsh; Editing by David Alexander)