| CNN.com delivers up-to-the-minute news and information on the latest top stories, weather, entertainment, politics and more. | 7 big questions about Flight 370 | | It's been nearly three weeks since Malaysia Airlines Flight 370 vanished. Malaysian authorities say the plane went down in the southern Indian Ocean. Search efforts are concentrated in an area about 1,500 miles (2,414 kilometers) off Australia's west coast. |
| 9 Air Force commanders fired | | The Air Force has fired nine commanders in the wake of a scandal involving cheating on tests related to the U.S. nuclear missile program, that military branch's top official said Thursday. |
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