2 sentences

1. 司令部发出了进攻的信号。

   sī​lìng​bù fā​chū le jìn​gōng de xìn​hào.

   Headquarters gave the signal to attack.

   Source: Dong Chinese Dictionary

2. 司令部就设在离前线不远的一个小村庄里。

   sī​lìng​bù jiù shè zài lí qián​xiàn bù yuǎn de yī gè xiǎo cūn​zhuāng lǐ.

   The headquarters was set up in a small village not far from the front line.

   Source: Dong Chinese Dictionary