This is one reason why low cost and efficiency are just a nice-to-have when it comes to to space exploration. Moreso the farther you go. A unique mission like a

This is one reason why low cost and efficiency are just a nice-to-have when it comes to to space exploration. Moreso the farther you go. A unique mission like a lunar polar landing should be conservatively engineered, where that is possible, on the first try. Early optimization and space exploration don't mix.