Four UFC fighters traveled to Marine Corps Base Camp Pendleton to test themselves against a rapid-fire version of The Crucible In part II of this series, four UFC fighters continue to face challenges that all Marines are tested against during The Crucible, including pugil stick training, problem-solving obstacles, and a nighttime assault course. In the conclusion of this series, the UFC fighters training with Marines at Camp Pendleton have completed a modified version of The Crucible and are now tested with a live-fire exercise by Marine Special Operations Command.

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Documentary