On September 10, 2011 at 12:30 p.m. EST, almost ten years after the September 11 terrorist attacks, the Flight 93 National Memorial will be dedicated. Following a decade of healing, the promise of this sacred ground will finally be realized. The Memorial Plaza and Field of Honor will be the first features of the memorial to be completed for dedication, and will be permanently open to the public after the September 10 ceremony. Be a part of this remarkable moment. Coverage will begin at 12:30 p.m. EST – watch the dedication ceremony LIVE at History.com.