The Russian leader made the comment in a documentary called 'World Order' that was aired on state television today night.
"Russia as a leading nuclear country will be improving this weapon as a containment factor; the nuclear triad is the basis of our nuclear security polices," he said, referring to the three main delivery systems for nuclear warheads bombers, intercontinental ballistic missiles and submarine-launched ICBMs.
"We have never brandished or will brandish this nuclear club, but our military doctrine allocates it a place and role," Putin added.

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