The launch of NASA’s twin GRAIL spacecraft

The Mobile Service Tower at LC-17B is rolled away from the Delta 2 rocket that launched NASA’s Mars Pathfinder mission on its way to the red planet on December 4, 1996. This video includes footage shot inside the blockhouse at the launch pad.

The step-by-step stacking of United Launch Alliance’s final Delta 2 rocket was completed in June at Vandenberg Air Force Base in California for liftoff Sept. 15 with an Earth science satellite for NASA.

NASA’s innovative soil moisture mapper, a new environmental satellite launching in January, has been fueled up for blastoff from Vandenberg Air Force Base in California.