Ancestry.com, a Utah-based, for-profit web site of ancestral records, has finished a year-long project. They have digitized over 90 million U.S. military records from the National Archives and Records Administration going back to the settling of Jamestown through 1975. You need to register, but you can search these records FREE until June 6, D-Day. Do some genealogical research or find interesting stuff like Houdini's draft card.