It's only half a Shuttle launch. There has been ~100 launches. So this would add 0.5% to the budget. They lost $125 million alone on the Mars Orbitor. Add th

It's only half a Shuttle launch. There has been ~100 launches. So this would add 0.5% to the budget. They lost $125 million alone on the Mars Orbitor. Add the other crashes, and I think NASA has already lost more than it would cost to convert to metric.