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March 5, 2012 - Anne Castle, DOI Assistant Secretary for Water and Science, recently discussed Landsat's 40 years.

At the Association for American Geographer's Annual Meeting, Anne Castle spoke to Landsat's long legacy, its benefit to humanity, and the future of the mission.

In her presentation, you can find striking images of our planet, graphics on how Landsat is for research and operational analysis, statistics on the importance of free data, and the promise of the Landsat Data Continuity Mission (LDCM).