3 sentences

1. 军情火急，我们需要立刻派人送信。

   jūn​qíng huǒ jí, wǒ​men xū​yào lì​kè pài rén sòng​xìn.

   The military situation is urgent; we need to send a message immediately.

   Source: Dong Chinese Dictionary

2. 边境军情紧急，指挥部正密切关注动态。

   biān​jìng jūn​qíng jǐn​jí, zhǐ​huī​bù zhèng mì​qiè guān​zhù dòng​tài.

   The military situation at the border is urgent, and the command center is closely monitoring developments.

   Source: Dong Chinese Dictionary

3. 由于泄露了关键军情，那名间谍被抓获了。

   yóu​yú xiè​lù le guān​jiàn jūn​qíng, nà míng jiàn​dié bèi zhuā​huò le.

   The spy was captured for leaking critical military intelligence.

   Source: Dong Chinese Dictionary