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Terms issued in military nomenclature for a basic date and time from which any event, usually an attack, can be scheduled, before the actual date and time are fixed. For example, it may be necessary to lay down an artillery barrage two days before the attack begins (d minus 2), to carry out a bombing attack five hours before the attack (h minus 5), and to have certain supplies delivered three days after the start of the attack (d plus 3). |
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