2010 Copiapó mining accident steel rescue capsules, dubbed "Fénix" (English: Phoenix) were constructed by the Chilean Navy with design input from NASA. The navy incorporated most of NASA's suggestions and produced three rescue pods: "Fénix" 1, 2 and 3, all enhanced versions of the Dahlbusch Bomb used for mine rescue. "Fénix" 1 was presented to journalists and the miners' relatives for their assessment. The eventual capsule used to rescue the 33 men was the "Fénix 2", a device in diameter, narrow enough to avoid hitting the sides of the tunnel. It had retractable wheels to allow for a smoother ride to the surface, an
Rally to Restore Sanity and/or Fear bunker" in a capsule reminiscent of the 2010 Chilean miners' rescue. Thereafter, Colbert challenged Stewart point by point, usually claiming victory. One of their battles was waged over three songs about trains. Stewart started with Yusuf Islam singing "Peace Train," which was interrupted continually by Colbert-backed Ozzy Osbourne singing "Crazy Train." The audience held up peace signs for "Peace Train" and horn signs for "Crazy Train." Finally, Stewart and Colbert compromised singing "Love Train" with The O'Jays. Later, Stewart and Colbert donned matching American flag coats and sang an original song "The Greatest, Strongest Country in the World" with lyrics