During the six-hour exercise, they must scramble through a sewer, jump into a cesspit, swim 10,000 meters, dive a distance of 40 feet and struggle for survival in the water with limbs tied up.
每六個小時要通過的考驗有：在臭水溝中匍匐前進、下茅坑、一萬公尺長距離游泳、四十英尺徒手潛水、捆綁手腳在水中求生與午夜摸屍等。