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Stream the full United States Secret Service: On the Front Line movie online for free in crystal-clear HD quality. No downloads required—just press play and enjoy the action, complete with English subtitles for an enhanced viewing experience.

An in-depth, exclusive look inside the high-stakes world of protecting the President. The two-hour special echoes one of National Geographic's core missions, to take viewers places few others have been. The special reveals unexpected stories of trepidation and triumph along with a broader understanding of the significant and serious matters the agency must contend with everyday.