 If that was you then, get your lungs screened now. Surviving lung cancer starts with a scan. Learn more at ScreenYourLungs.org. And thank you for your service. This PSA was made possible by industry funding and guidance from lung cancer patient groups. Hi, I'm Marcel Spears. Keeping our global neighborhood safe is a tough job made easier by America's brave military dogs. These dogs keep our troops safe by sniffing out bombs and IEDs and locating enemy positions.