The Bosun explained that E & E was so important to the Regiment that every badged soldier and officer must do an E & E every couple of years…It was the ultimate test: you were good or you were caught. The final hurdle in the SAS selection process – the E & E exercise. The aim is to evade capture, and to resist interrogation when finally caught. So when Spider Shepherd is captured, he doesn’t immediately think anything is wrong. But when the beatings escalate, and he hears an Irish accent after warnings of Provisional IRA activity in the area, he knows that his life is on the line and he needs to make his escape.