The noun 导弹 (dǎodàn) means 'missile.' It combines 导 (to guide) with 弹 (projectile), literally meaning 'guided projectile.' It is a standard military term used in news reports and discussions about weapons, defense systems, and armed conflicts.
这枚导弹的射程超过了两千公里。
zhè méi dǎodàn de shèchéng chāoguò le liǎng qiān gōnglǐ.
The range of this missile exceeds two thousand kilometers.
新闻报道说昨晚有一枚导弹被成功拦截了。
xīnwén bàodào shuō zuówǎn yǒu yī méi dǎodàn bèi chénggōng lánjié le.
News reports say a missile was successfully intercepted last night.
这个国家正在研发新型导弹防御系统。
zhè gè guójiā zhèngzài yánfā xīnxíng dǎodàn fángyù xìtǒng.
This country is developing a new type of missile defense system.