WTOP Entertainment Reporter Jason Fraley celebrates National Submarine Day by doing a deep dive with Oscar-winning filmmaker Kevin Macdonald on the 10th anniversary of his 2014 submarine flick “Black Sea" starring Jude Law. They spoke when Macdonald ("State of Play," "The Last King of Scotland," "One Day in September") visited Washington D.C. back in 2015. (Theme Music: Scott Buckley's "Clarion")

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