us, fighting. >> if i could help somebody -- and i'm sorry for crying, but if i can help somebody make their life a little better, then that's what it's all about. it's not about me. >> kathy and her volunteers have completed about 6,000 air and ground missions since 2001. to nominate someone you think is changing the world, go to cnn.com/heroes. we'll be back with our remaining moments after this. ♪ you're the one ♪ who's born to care this life was protected... ♪ seems you've always been right there ♪ this life was saved... ♪ soothing sadness ♪ healing pain and this life was made easier... ♪ making smiles appear again