Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym H-HOUR is...

H-HOUR is

  • Hour that the Operation Commences

H-HOUR is also in:

Acronym Definition Searched: WFHI HA MG BO SL CBUL 02031 CDCP PCOS BDF SUCCESS CTPA 2WD IS TSAR