gutter. he started drinking, very heavily. he was fed up with who he was. >> when he came to see me, he sort of sat overslumped in the chair and said the trouble is i can't be like a normal young man. but that time in afghanistan had given him time to be a normal, young man. and he desperately wanted to replicate that again. probably, the only way he could go back was within the anonymity of being inside a helicopter. and he would, therefore, need to learn to fly a helicopter. >> reporter: after 18 months of training, harry not only became an apache pilot, he was the best co-pilot gunner on his weapon's course. >> i actually believe that his success on that apache -- on those apache aircraft -- was the making of harry. i think, harry, who had spent all his life being second best to his brother. being the spare.