Barack Obama, Bradley A. Becker

President Barack Obama lays a wreath at the Tomb of the Unknowns, on Veterans Day, Friday, Nov. 11, 2016, at Arlington National Cemetery in Arlington, Va. At left is Maj. Gen. Bradley A. Becker Commander of the U.S. Army Military District of Washington. (AP Photo/Pablo Martinez Monsivais)

President Barack Obama lays a wreath at the Tomb of the Unknowns, on Veterans Day, Friday, Nov. 11, 2016, at Arlington National Cemetery in Arlington, Va. At left is Maj. Gen. Bradley A. Becker Commander of the U.S. Army Military District of Washington. (AP Photo/Pablo Martinez Monsivais)