3 sentences

1. 飞行编队在空中展示了精湛的特技动作。

   fēi​xíng biān​duì zài kōng​zhōng zhǎn​shì le jīng​zhàn de tè​jì dòng​zuò.

   The flight formation performed exquisite stunts in the sky.

   Source: Dong Chinese Dictionary

2. 在飞行编队中，两架僚机必须紧紧跟随主机的路线。

   zài fēi​xíng biān​duì zhōng, liǎng jià liáo​jī bì​xū jǐn​jǐn gēn​suí zhǔ​jī de lù​xiàn.

   In the flight formation, the two wingmen must closely follow the lead plane's route.

   Source: Dong Chinese Dictionary

3. 舰队在进入预定海域后开始编队。

   jiàn​duì zài jìn​rù yù​dìng hǎi​yù hòu kāi​shǐ biān​duì.

   The fleet began to form a formation after entering the designated waters.

   Source: Dong Chinese Dictionary