D-day is just a military term for when a particular operation starts. The D-day we remember, June 6'th, 1944 was actually called Operation Overlord. It is remember as "D day" because it was one of the most important operations of WWII.
Tam
Day.
Jane, 63
West Linn, OR USA
I have no idea. Never even considered it.
Laura, 39
Lowell, MA USA
Doublemint.
Karen, 24
Ames, IA USA
Deployment I think.
Alias Irrelevante
I have a feeling that it is secret army talk; an arbitrary letter selected by fate and the ET brass.
Jill, 61
Saylorsburg, PA USA