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
2010 Copiapó mining accident into a small city. Exploratory boreholes were used to locate the trapped miners, with several of these subsequently used to supply the men. The Chilean government developed a comprehensive rescue plan modeled on the successful 2002 US Quecreek Mine Rescue, itself based on the 1963 German Wunder von Lengede rescue operation. Both previous rescues had used a "rescue pod" or capsule to winch trapped miners to the surface one by one. Chilean rescue crews planned to use at least three drilling technologies to create bore holes wide enough to raise the miners in custom-designed rescue pods as quickly as possible.