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NASA says it will build quiet supersonic passenger jet
NASA awards $20 million contract to Lockheed Martin to build quieter, efficient, supersonic passenger jet.
00:48
- Source:
CNN
All about planes
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NASA says it will build quiet supersonic passenger jet
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Vets reunite with their retired planes in 'Boneyard'
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Duck causes a stir by flying on a commercial flight
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China successfully docks spacecraft
01:07
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- Source:
CCTV