#OTD in 1975, #Landsat 2—originally known as ERTS-B—was launched into space from #VandenbergAFB. This event marked a crucial step in #EarthObservation and signified the continuation of a successful satellite #RemoteSensing program. Learn more here: https://t.co/NYt48gLucr https://t.co/eQPSQ7INpV

USGS Landsat

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