We're counting down for the final two missions on the Delta II rocket, including tomorrow's 4:47am ET launch of NOAA's #JPSS1, the nation's next weather satellite. Watch: https://youtu.be/6Fj-EjeNuK4 | NASA - National Aeronautics and Space Administration

Reel:🚀 The Delta II lifting the twin GRAIL spacecraft toward the Moon — what a moment in space history! This happened on September 10, 2011, when a Delta II rocket launched NASA’s GRAIL mission (Ebb & Flow) from Cape Canaveral. The twin probes later worked together in lunar orbit to map the Moon’s gravity with incredible precision, revealing hidden structures deep beneath the surface and giving scientists new insight into the Moon’s formation. Amazing how one launch can lead to discoveries that