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The US administration has told the Congress it plans to sell Kuwait the latest version of its Patriot interceptor missile.
The sale is believed to be in an effort to bolster defenses against a perceived missile threat from Iran.
The missile is designed to counter a range of enemy missiles and air threats, including tactical ballistic missiles that could be tipped with chemical, nuclear or biological weapons.
The Pentagon's Defense Security Cooperation Agency says Kuwait would use the increased capability as a deterrent to regional threats and strengthen its homeland defense. Congress has 30 days to review the proposed sale.