Answer
In 1998, NASA Mars Climate Orbiter veered off course and was lost because ground-based computer software which produced output in non-SI units of pound-seconds (lbf s) instead of the SI units of newton-seconds (N.s),
Work Step by Step
In 1998, NASA Mars Climate Orbiter veered off course and was lost because ground-based computer software which produced output in non-SI units of pound-seconds (lbf s) instead of the SI units of newton-seconds (N.s),