Hour one, day one, week one. The DL waits for the news arrivals at Commando Training Centre Royal Marines. All recruits arrive on the train...only a few will make it through. Recruit Smith is on this train.

The training team office.

Swearing an oath to Queen and Country. Recruit Smith was given the option to leave at this point if he wished to do so. He didn't.

Last trace of Civilian life. Recruit Smith forgets to remove earring.

Gym work...the first steps to physical transformation, and a hard lesson in what is to be expected.

Battle swimming. Marines motto 'Per Mare Per Terram' By Sea by Land. You need to be able to fight and survive in both.

Wet kit. You spend a lot of time drying wet kit as a recruit.

Pre-rope climb.

Ropes, learn to climb, you'll be expected to climb with full kit by the end of training. Recruit Smith struggles to the top.

To the top climb.

Rifle. Look after it.

Smoke, too much rifle oil and you'll give your position away.

NVG. Battles happen at night, learn to operate safely in the dark and put your trust in others.

NOD Recruits are known as NOD's as they can sleep on a washing line when needed. The red light is to protect night vision.

Violent entry and controlled aggression. Recruit Smith prepares to enter.

Dealing with prisoners in a firm but fair way.

Troop officers book and beret. Not only f**k ups but chuck ups too.

Have you cleaned this weapon? A Marine is expected to maintain a high standard at all times, no matter how tired, how wet or how cold.

Warm-up, sometimes as intense as the exercise itself.

Endurance. A part of the gruelling Commando tests at the end of training.

Sheep dip. preparing to enter the underwater tunnel.

It's only pain. Recruit Smith looks on knowing another Commando test will be complete after the last 500m.

The Wall. Recruit Smith is suffering with another obstacle to cross.

One of the training team watches on as recruit Smith makes his way up the 30ft wall at the end of the Tarzan course.