US Air Force warns Facebook 'may reveal location'.

美国空军警告FacebooK“可能暴露位置”。

youdao

A mechanic inspects a Reaper at a US air force base in Nevada.

一名机械师在美国内华达空军基地检查“收割机”无人机。

youdao

The US Air Force and NASA have expressed interest in it, according to Roy.

罗伊称，美国空军及国家航空航天局均对此表示了兴趣。

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If NASA's plans mostly involve the future, the US Air Force budget is looking into the past.

ENGADGET

The Public Administration Committee are questioning Lt Col Dan Ward of the US Air Force, via video link.

BBC: Week ahead in committee

Venezuela's foreign minister, Elias Jaua, later announced the expulsion of a second US Air Force attache, Devlin Kosta.

BBC: Venezuela's Chavez in 'most difficult hours' - Maduro