Their tasks call for strength but also judgement, quickwit and, sometimes, humor. They are the ROC Marine elite corps of frogmen. Their exploits are legend.
然而，可不要為因他們體魄精壯，就以為他們是「四肢發達，頭腦簡單」，事實上頭腦也絕不可能簡單，因為他們所擔負的任務，需要正確、迅速的判斷力，高度的機智與視死如歸的精神。