We've been following the brave journey of United States Army Staff Sergaent Travis Mills' rehabilitation after losing portions of his arms and legs while serving in Afghanistan.
Today he joins us with an update - he is walking.
"I'm doing this because my daughter wouldn't give up on me." Mills explains. "She's really young, and I wouldn't give up on her. Or anybody else, of course, because there's a whole country and a nation is behind me."
He joins us during the show today to tell the story of his progress.
Here's a sneak peak of his new prosthetic legs and arms: