The noun 驱逐舰 (qūzhújiàn) means 'destroyer,' a type of fast, maneuverable warship. The characters break down as 驱逐 (to expel, to drive away) and 舰 (warship). It is a standard military term used in news and formal contexts when discussing naval forces.
两艘驱逐舰正在执行巡逻任务。
liǎng sōu qūzhújiàn zhèngzài zhíxíng xúnluó rènwù.
Two destroyers are carrying out patrol missions.
这艘新型驱逐舰配备了先进的雷达系统。
zhè sōu xīnxíng qūzhújiàn pèibèi le xiānjìn de léidá xìtǒng.
This new type of destroyer is equipped with an advanced radar system.
海军派出一艘驱逐舰前往该海域。
hǎijūn pàichū yī sōu qūzhújiàn qiánwǎng gāi hǎiyù.
The navy dispatched a destroyer to that sea area.