What does ZH mean in NASA?

This page is about the meanings of the acronym/abbreviation/shorthand ZH in the Governmental field in general and in the NASA terminology in particular.

Zero Hour

Governmental » NASA


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What does ZH mean?

zero hour(noun)
the time set for the start of an action or operation

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"ZH." Abbreviations.com. STANDS4 LLC, 2015. Web. 2 Aug. 2015. <http://www.abbreviations.com/term/286710>.