China Increases Its Ballistic Missile Abilities

China is making some of its missiles more powerful. The move comes as China insists it controls disputed waterways in the South and East China Seas.

A U.S. Defense Department report says China is strengthening its weapons by adding several small nuclear warheads on ballistic missiles.

China has been able to add these nuclear warheads since the 1990s. The fact that it is doing so now raises concern about a local arms race in Asia.

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