GPM Core Observatory Mass Properties Test
![GPM Core Observatory Mass Properties Test GPM Core Observatory Mass Properties Test](/sites/default/files/imageGallery/img_8647.jpg)
Image Caption
Daniel overseeing the GPM Observatory mass properties test in September 2013.
This video montage shows scenes from the test deployments of both GPM Core satellite solar arrays in a clean room at NASA's Goddard Space Flight Center in Greenbelt, Md., in June 2013.
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