Word: crumbleã
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...vain attempt to stop the cancellation of SSC, “the United States is compromising its position of leadership in basic science - a position unquestioned for generations.” In the time since then, we have also allowed our advantage in manned spaceflight to crumble??with the space shuttle’s mandatory retirement in 2010, we will be dependent on the Russians just to reach the International Space Station. Even the Chinese now have their own launch rockets...
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