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 lowered into the mine. During the 18-minute descent, the waiting families and surface rescue team members sang the , Chile's national anthem. González arrived in the collapsed mine and made contact with the miners at 23:36. Although Chilean officials played down the risks of the rescue, the miners still needed to be alert during the ascent in case of problems. As a result, and according to the rescue plan, the first four men to be brought up the narrow shaft were those "deemed the fittest of body and mind". Thereafter they would be best placed to inform the rescue team