The BBC cameras follow an ever diminishing band of students through 3 years of training and selection.
We don't have an overview of this episode, please check back later.
We don't have an overview of this episode, please check back later.
We don't have an overview of this episode, please check back later.
We don't have an overview of this episode, please check back later.
We don't have an overview of this episode, please check back later.
We don't have an overview of this episode, please check back later.
We don't have an overview of this episode, please check back later.
We don't have an overview of this episode, please check back later.
The BBC cameras follow an ever diminishing band of students through 3 years of training and selection.
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