What does T-DAY Stand For? 4 meanings of T-DAY by Acronymsandslang.com

What does T_DAY Stand For in Government & Military ?

For T-DAY we have found 4 definitions.
What does T_DAY mean? We know 4 definitions for T_DAY abbreviation or acronym in 2 categories. Possible T_DAY meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. Please look for them carefully.

T_DAY Stands For:

Rank	Abbreviation	Meaning
*****	T-DAY	effective day coincident with Presidential declaration of a national emergency and authorization of partial mobilization Military
*****	T-DAY	(DOD) See times.
****	T-DAY	Training Expansion Day