Those inner administation officials have been quoted as saying the president has authorized to Surveillance flights.

政府内部官员表示，总统已经授权展开察。

A quick aerial reconnaissance confirmed that the horse had entirely vanished.

快速的察证实这匹马已经完全消失了。

However the UN peacekeepers will be carrying out aerial reconnaissance missions and hope that to clear a picture by the end of the weekend.

然而联合国维和人员将进行察任务，希望能在本周末前使得事情明朗下来。

In June, Britain's defence ministry awarded an urgent contract to BAE Systems, another armaments company, for an aerial-reconnaissance drone to deploy aboard frigates " to counter unmanned surface vessels" .

6 月，英国国防部与另一家军备公司 BAE Systems 签订了一合同，要求其将一架察无人机部署在护卫舰上， “以对抗无人水面舰艇” 。

In 1907, Julius Neubronner, a German pharmacist who used the birds to deliver medicine, invented a miniature pigeon camera, and this camera was used briefly in the war for aerial reconnaissance.

1907年，利用鸟类送药的德国药剂师朱利叶斯·诺伊布伦纳发明了一种微型鸽子照相机，这种照相机在战争曾短暂用于察。

I need aerial surveillance, I need the ability to understand what that airspace looks like above me, I need to understand if I'm near a terrain features such as water, how do I mitigate the vulnerability that's coming from that waterway?

我需要察，我需要具备了解我上方域的能力，我需要了解如果我靠近某种地形特征，比如水域，我如何减轻水路造成的脆弱性？