Think about it: before NASA launched the Apollo 11 mission, they systematically thought through everything that could go wrong when you put people on top of explosive fuel tanks and launch them somewhere where no one could help them.
Piénsenlo: antes de que la NASA  lanzara la misión Apolo 11, pensaron sistemáticamente  en todo lo que podría salir mal al poner gente sobre  tanques de combustible explosivos y lanzarla a un lugar  donde nadie podía ayudarla.