Participating dignitaries included Queen Elizabeth II, President George W. Bush, retired Supreme Court Justice Sandra Day O'Connor, actor James Earl Jones, journalists such as Jim Lehrer, Gwen Ifill and Tavis Smiley, and musicians Bruce Hornsby, Ricky Skaggs and Chaka Khan. The commemoration's major partners included Colonial Williamsburg, NASA, the U.S. Mint, the U.S. Postal Service, the Virginia Arts Festival and Virginia Tech. Jamestown Partners included the National Park Service, the Association for the Preservation of Virginia Antiquities, and the Jamestown-Yorktown Foundation.