In this clip, we see U.S. Army Captain Sarah Cudd of Public Health Command in Fort Knox. She was one of 46 candidates to earn the coveted Expert Field Medical Badge, which is given to military medics who complete a set of brutally difficult written and physical tests. The last test is a 12-mile march while equipped with heavy fatigues, a large pack, and a rifle. Mere feet from the finish line, Cudd collapses from exhaustion
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