空降

空降	kōng jiàng	to drop from the sky / (fig.) to appear out of nowhere / (attributive) airborne
空	kōng	empty / air / sky / in vain
空	kòng	to empty / vacant / unoccupied / space / leisure / free time
降	jiàng	to drop / to fall / to come down / to descend
降	xiáng	to surrender; to capitulate / to subdue; to conquer; to tame