Launch Postponed for European Gravity Probe

A modified Russian ballistic missile was scheduled for launch today with a $450 million European probe that will measure the tug of Earth's gravity with finer detail than ever before. But the launch was scrubbed due to problems retracting the pad gantry. Liftoff could be attempted again Tuesday. Engineers were prepping a modified Russian ballistic missile for launch Monday with a $450 million European probe that will measure the tug of Earth's gravity with finer detail than ever before. More

(Source: Space.com - Mar 17)