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VANDENBERG AFB, Calif. -- Dr. Thomas Loveland, senior scientist and co-chair of the Landsat Science Team U.S. Geological Survey Earth Resources Observation and Science Center, left, and Dr. Jim Irons, Landsat Data Continuity Mission project scientist from NASA's Goddard Space Flight Center, speak to NASA social media followers at Vandenberg Air Force Base, Calif., prior to the launch of the LDCM satellite. The Landsat Data Continuity Mission LDCM is the future of Landsat satellites. It will continue to obtain valuable data and imagery to be used in agriculture, education, business, science, …