Prince Harry's job as a gunner in Apache attack helicopters required him to kill Taliban insurgents.
He said: “Take a life to save a life. That’s what we revolve around, I suppose."
Royal Correspondent Tim Ewart reports on the young royal's role in Afghanistan:
He may be the heir in line to the throne, but Prince Harry was not exempt from making the tea in Afghanistan.
Prince Harry has just finished a four-month tour of Afghanistan, serving as an Apache helicopter pilot and gunner.
Prince Harry is heading home, but a hero's welcome from the media may be tempered by his scathing criticism of those who write about him.