Agents stand at the ready for the arrival of U.S. President George W. Bush before his departure from Andrews Air Force Base in Maryland enroute to Estonia November 27, 2006
President Bush , left, waves as he walks with Air Force 316th Wing Vice Commander Col. Jennifer L. Hesterman, center, and an unidentified security official, right, toward Air Force One, Monday, Nov. 27, 2006 at Andrews Air Force Base, Md
President George W. Bush boards AF1 at Andrews Air Force Base in Maryland enroute to Estonia November 27, 2006