>> cornford: yes, sir. >> pelley: cornford threw two hand grenades into the machine gun nest.arried lieutenant neel a mile to a medevac helicopter that took them both to a field hospital. the lieutenant didn't make it and cornford cannot forgive himself. >> cornford: and they pronounced my lieutenant dead. i... i just... the last thing i remember before they put me out for surgery and blood transfusions and stuff like that was they all salute when they pronounce somebody dead. and i... i was fighting the nurses and the doctors with the one good arm i did have to get up and salute. and they wouldn't let me get up. and finally, i just blacked out, and woke up the next morning in a lot of pain. >> pelley: how old were you? >> cornford: 18 years old. >> pelley: why did you come back here? >> cornford: to try and let it go. it's something that haunts me every day. >> pelley: what is it that you're trying to let go? >> cornford: i... i see his face every time i close my eyes to go to sleep at night. i blame myself a lot, because i got hit first and he was coming to get me. i... i ju

. >> pelley: steven cornford was awarded the silver star for valor after fighting in iraq.ousands of young americans wounded in body or spirit who are being invited back to the war zone for a new kind of therapy. >> my wife brought up a good point when i told her i wanted to do it. she said, "what if it makes it worse? what if it brings it all back?" >> safer: it's a sad day for us here at "60 minutes." our friend and colleague andy rooney died friday night. he was 92. >> why does every piece of clothing have a different size scale? why is it... >> safer: there have been many commentators on television over its long history, but none have been so long-serving, so grumpy, and-- dare we say-- more beloved than mr. rooney. tonight, for the last time, we give him the last word. >> i'm steve kroft. >> i'm lesley stahl. >> i'm morley safer. >> i'm bob simon. >> i'm lara logan. >> i'm scott pelley. those stories tonight on "60 minutes." i had enough of feeling embarrassed about my skin. [ designer ] enough of just covering up my moderate to severe plaque psoriasis. i decided enoug