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http://airforcemag.com/Features/Pages/2019/October%202019/Air-Force-Creates-New-PEO-for-NGAD-Applying-Digital-Century-Series-Idea.aspx
您即将离开知乎,请注意您的帐号和财产安全。
http://airforcemag.com/Features/Pages/2019/October%202019/Air-Force-Creates-New-PEO-for-NGAD-Applying-Digital-Century-Series-Idea.aspx