Last Walk: Tomb Guard Alumnus Finishes Where He Started.

The article highlights the poignant farewell of U.S. Army Major General William Zana as he returns to serve one last watch at the Tomb of the Unknown Soldier before retiring from the U.S. Army. Topics discussed include Zana's initial experience as a Sentinel, the discipline and values instilled in him during his service, and the evolving significance of Arlington National Cemetery in his life.