2 sentences

1. 外国飞机侵犯了该国的领空。

   wài​guó fēi​jī qīn​fàn le gāi guó de lǐng​kōng.

   Foreign aircraft violated the country's airspace.

   Source: Dong Chinese Dictionary

2. 外军侦察机侵入我方领空的行为遭到了严厉谴责。

   wài​jūn zhēn​chá​jī qīn rù wǒ​fāng lǐng​kōng de xíng​wéi zāo​dào le yán​lì qiǎn​zé.

   The intrusion of foreign reconnaissance aircraft into our airspace was severely condemned.

   Source: Dong Chinese Dictionary