BRUSSELS, Oct 13 (Reuters) - The United States reaffirmed its commitment to defend "every inch" of NATO territory ahead of talks among defense ministers from the alliance on Thursday that will include closed-door discussions by its nuclear planning group. Register now for FREE unlimited access to Reuters.com RegisterAustin spoke shortly before attending a meeting by NATO's Nuclear Planning Group, which is NATO's senior body on nuclear matters and handles policy issues associated with its nuclear forces. NATO's website says its nuclear policy is under "constant review, and is modified and adapted in light of new developments." "We're going to stay with our efforts to support Ukraine for as long as it takes," Austin said alongside NATO Secretary-General Jens Stoltenberg. NATO told Moscow on Tuesday it would meet attacks on allies' critical infrastructure with a "united and determined response."

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