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.
Os que participaron nese estudo eran militares dos EE.UU. que pasaran por un horroroso  exercicio de adestramento para ensinarlles o que lles pasaría se fosen capturados como prisioneiros de guerra.