The final flight of a Delta 2 rocket, a mainstay of the U.S. launch industry for nearly 30 years, began at 6:02 a.m. PDT (9:02 a.m. EDT; 1302 GMT) from Vandenberg Air Force Base in California with NASA’s ICESat 2 Earth science satellite.
From weather forecasting to agricultural benefits, a new NASA mission launching this week will provide unprecedented resolution, accuracy and coverage of soil moisture on a world-wide basis every three days for the next three years.