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Al Worden with X-ray instrument photo
Apollo 15 Al Worden studies images of the Apollo X-ray fluorescence spectrometer flight spare unit, which being tested at ESA's ESTEC facility in the Netherlands in 2019.
Apollo 15 Al Worden studies images of the Apollo X-ray fluorescence spectrometer flight spare unit, which being tested at ESA's ESTEC facility in the Netherlands in 2019.
