Flashback Friday: On August 4, 1971, Apollo 15 deployed the Particles and Fields Subsatellite (PFS-1) into lunar orbit—just before leaving the Moon.
nssdc.gsfc.nasa.gov/nmc/spacecra...
#FlashbackFriday #OSMED #Apollo15 #PFS1 #LunarScience #SatelliteDesign #NASA #SpaceHistory #DeepSpaceExploration
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