Mary Cortani and her group, Operation Freedoms Paws, help war veterans train their own service dogs in northern California. Video | Extra | Update | Tribute

A trip to the grocery store used to send James McQuoid into a panic. When he heard a child crying, he would remember kids screaming in Iraq. Full story | Photos

Want to get involved? Check out the Operation Freedom Paws website and see how to help. Get involved | Support the cause

Many U.S. war veterans are suffering from post-traumatic stress disorder, and their symptoms are so bad they can't sleep or even leave the house. Full story