Testing US nuclear arsenal is important to national security, J D Vance says'It's an important part of American national security to make sure that this nuclear arsenal we have actually functions properly,' Vance told reporters outside the White House. 
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J D Vance
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Washington: Testing the US nuclear arsenal is important to ensuring national security, Vice President J D Vance said on Thursday after President Donald Trump ordered the US military to resume testing nuclear weapons after a gap of 33 years.
"It's an important part of American national security to make sure that this nuclear arsenal we have actually functions properly," Vance told reporters outside the White House. "To be clear, we know that it does work properly, but you got to keep on top of it over time, and the president just wants to make sure that we do that."