"We operate in five domains: air, land, sea, outer space and cyberspace," says Dan Kuehl, a professor of information operations at the National Defence University in Washington.

“我们在五大领域作战：水、陆、空、外太空和网络空间。” 华盛顿国防大学的信息作战教授丹屈尔说，“我们的工作越来越依靠网络空间；

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But to retain that advantage, America will need to harden its forward bases, invest in missile defence and submarines and counter China’s capacity in asymmetric electronic, cyber and space warfare.

不过为了保持优势，美国需强化其前沿基地，在导弹防御和潜艇方面投入资金，并对抗中国在非对称电子战、网络战以及太空战领域的能力。

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With this launcher, called Aldebaran, France is pushing technological limits “perhaps more aggressively” than the United States, says a US Air Force space official and former defence attaché to Paris.

利用这种称为Aldebaran的运载火箭，法国正冲破技术局限，“或许比美国更雄心勃勃”，一位美国空军太空官员及前巴黎防务武官称。

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In contrast, business at its space and defence division continued to stagnate.

BBC: Boeing revenues hit record before Dreamliner grounding

James McArthur found time and space beyond the Inverness defence, but his tantalising ball found no takers.

BBC: Inverness CT 0-1 Hamilton Accies

The celebrated centre chipped over the Quins defence into space, got the luck of the bounce and accelerated away to the line.

BBC: Harlequins 5-6 Leinster