USS San Francisco shows off Giants pride ahead of NLDS Game 3 against Chicago Cubs

SAN FRANCISCO (KGO) -- The Giants are in a do-or-die situation as they head into Game 3 of the National League Divisional Series against the Chicago Cubs. But there's a special group here to bring them luck -- the USS San Francisco! Watch the video player above to see the SF Giants flag flying high above the submarine at Pier 80.

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