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Rocket Report: A dark day for Blue Origin; Pentagon eyes new launch site
蓝色起源新格伦火箭发射台爆炸，五角大楼寻求新发射场，商业航天竞争格局再生变数。
A new crew launched to China's Tiangong space station, and one of the astronauts will stay for a year.
蓝色起源新格伦火箭发射台爆炸，五角大楼寻求新发射场，商业航天竞争格局再生变数。
A new crew launched to China's Tiangong space station, and one of the astronauts will stay for a year.