But Ritz, who has both undergone and conducted SERE training, says there is a great degree of difference between training and actual interrogations, where harsh techniques may be combined and carried out for longer periods.

VOA: standard.2009.04.17

In SERE training military personnel are subjected to many of the same techniques to toughen them up for possible capture by an enemy - and Ritz says SERE trainers were imported to the Guantanamo Bay detention facility.

VOA: standard.2009.04.17