Boeing’s Starliner spacecraft was set to mark its crowning achievement this month: Ferrying two NASA astronauts on a round trip to the International Space Station, proving the long-delayed and over-budget capsule is up for the task. But the two veteran astronauts piloting this test flight are now in a tentative position — extending their stay aboard the space station for a second time while engineers on the ground scramble to learn more about issues that plagued the first leg of their journey. #CNN #newsupdates

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