The essential prerequisite for better space security is to improve "situational awareness" : that is, to know what is in space, who it belongs to and whether it is acting in a threatening manner.
获得更好的太空安全所必不可少的先决条件就是提高“情境意识”(situational awareness)：也就是要知道，太空中的它是个什么物体、它属于谁、是否正对自己进行威胁。
It enhances training to fulfill its missions, strengthens research and training in maintaining maritime, space and electromagnetic space security, and carries out MOOTW training.
加强使命课题训练，推进维护海洋、太空和电磁空间安全的研究与训练，有针对性地开展非战争军事行动训练。
America updates its space-security policy.
美国更新了它的太空安全政策。
America updates its space-security policy.
美国更新了它的太空安全政策。
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