领导人有责任保卫国家安全。

Lǐngdǎorén yǒu zérèn bǎowèi guójiā ānquán.

Leaders have a responsibility to safeguard national security.

让我们一起努力保卫我们的家园！

Ràng wǒmen yìqǐ nǔlì bǎowèi wǒmen de jiāyuán!

Let’s work together to defend our homeland!

保卫地球，人人有责！

Bǎowèi dìqiú, rénrén yǒuzé!

Protecting the Earth is everyone’s responsibility!