In those days both sides targeted the other's nuclear power reactors with multiple thermonuclear warheads.

那段时间，冷战的两方都以赶超另一方的核弹头为目标。

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Another issue is the extent to which China adds multiple nuclear warheads to its missiles to help them evade the U.S. missile-defense system.

WSJ: U.S.-China Nuclear Silence Leaves a Void

Its four new nuclear missiles - some probably with multiple warheads - coupled with its recently demonstrated anti-ballistic-missile and anti-satellite intercept capability cannot be ignored.

CENTERFORSECURITYPOLICY: Underestimating China

He said China was the only country that, by adding multiple warheads to its missiles, could expand its nuclear arsenal to the same level as the U.S. and Russia within 10-15 years.

WSJ: U.S.-China Nuclear Silence Leaves a Void