Jason-3 is targeted for liftoff atop a SpaceX Falcon 9 rocket at 10:42:18 a.m. PST / 1:42:18 p.m. EST on Sunday from Space Launch Complex 4 at Vandenberg Air Force Base in California. Join us right here for updates from the countdown beginning at 8 a.m. PST, 11 a.m. EST.
In the meantime, learn more about how Jason-3 will provide scientists with essential information about global and regional changes in the seas, and what it will take to send it into space: