What does GSIU stand for?

What does GSIU mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: GSIU.

We've found a total of 1 definition for GSIU:

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GSIU

Ground Standard Interface Unit

Governmental » NASA

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"GSIU." Abbreviations.com. STANDS4 LLC, 2015. Web. 1 Jul 2015. <http://www.abbreviations.com/GSIU>.