BY SPACEFLIGHT NOW Follow the preparations and launch of the twin GRACE satellites aboard a Eurockot Rockot booster. Reload this page for the very latest on the mission.				Flight data file Vehicle: Rockot/Breeze-KM Payload: GRACE Launch date: March 17, 2002 Launch window: 0921-0931 GMT (4:21-4:31 a.m. EST) Launch site: LC-133, Plesetsk Cosmodrome, Russia