translation.en: The subjects in this study were members of the U.S. military who were undergoing a harrowing training exercise to teach them what it's going to be like for them if they are ever captured as prisoners of war.
translation.zh: 这项研究的受试者 是美军军方人士。 他们经历了残酷的训练 来体验 被活捉成为战犯的场面。