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When a passenger jet crashed in Indonesia last year, Dennis Muilenburg said what airline executives commonly say.

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DENNIS MUILENBURG: The bottom line here is the 737 Max is safe.

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What went wrong in the crash of a Boeing 737 Max plane in Ethiopia that killed all 157 people on board? We have some answers this morning.

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The top-ranked U.S. Women's National Soccer Team is back on the field Saturday afternoon playing against number four England in Nashville, Tenn. The SheBelieves Cup also includes top-ten powerhouses Brazil and Japan. The U.S. and Japan played to a 2-2 tie on Wednesday.

When Nancy Grace Roman was a child, her favorite object to draw was the moon.

Her mother used to take her on walks under the nighttime sky and show her constellations, or point out the colorful swirls of the aurora. Roman loved to look up at the stars and imagine.

Eventually, her passion for stargazing blossomed into a career as a renowned astronomer. Roman was one of the first female executives at NASA, where she served as the agency's first chief of astronomy.

Fifty years ago Friday, on Dec. 21, 1968, Apollo 8 lifted off, marking the first time humans left low Earth orbit and flew to the moon.

This was the second manned spaceflight of the Apollo program, and it was a nerve-wracking and remarkable flight that captured the world's attention. The mission capped a difficult and conflict-filled year in the U.S., offering a rare moment when people could feel good about their planet.

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