What does S-DAY stand for?

Find what does S-DAY stand for and its field of usage? S-DAY is used in the following field.

All the possible full forms of S-DAY are provided below with meaning and definition. User can also visit each expanded form to read detailed definition of S-DAY and its example usage.

S-day » day the President authorizes selective reserve call-up Military - Government Advertisement: In military, day the President authorizes selective reserve call-up is abbreviated as day the President authorizes selective reserve call-up. More full forms :
S-H S-HTTP S-MIME S-rating S-TRED S-VHS S/A S/B S/C S/EWCC S/F S/H S/I S/J S/L S/N S/O S/PP What is the full form of S-day ? S-day can be expanded as day the President authorizes selective reserve call-upWhat does S-day mean? Meaning of S-day is day the President authorizes selective reserve call-up