The Ministry of Defence says it takes the mental health of soldiers seriously and thousands receive therapy at centres around the country. But, the level of care can vary.
Major John Liddell, Department of Community Mental Health
Two mothers whose sons committed suicide a week apart last month are campaigning to raise awareness of their suicide.
In the United States, suicides in the military have claimed more lives than the fighting.
Soldier Liam Smith suffers terrible mental trauma. He believes the Taliban are in his wardrobe. He's even tried to carve off his face.