Malaysia Airlines Flight MH370 took off with 239 people aboard.

Malaysia Airlines Flight MH370 took off with 239 people aboard. Its transponders stopped transmitting over the South China Sea. The plane made an unexplained U-turn, flew for hours in the wrong direction, then vanished so completely that despite the most expensive search in aviation history, the main wreckage has never been found. Among the passengers were 20 engineers from an American semiconductor company working on technology at the intersection of civilian computing and military applicati...