> Underpromise, overdeliver. Also called sandbagging. :) For some things like the rovers it seems like the "design life" was just the minimum required to jus

> Underpromise, overdeliver. Also called sandbagging. :) For some things like the rovers it seems like the "design life" was just the minimum required to justify the mission. It would be silly to call a mission a failure if it died after a year when the mission would have been justified with just 90 days of operation simply because we had expected it to last two years.