On chapter 5, Alex was training in the SAS trianing centre. In the training Alex was training with a group of 4 (not including Alex) named the K-unit, it was only allowed to use their code name. Alex was called cub. Joining the training K-unit was on their feet of survival course carrying 25-kg of rucksacks in the backpack. The instruction were they have to be at the end of the course within 12 hours. Alex completed the course in 11:05 hours.
