39th Chief Of Staff of the United States Army, General Mark A. Milley walks with the sons of Staff Sgt. Michael H. Simpson to their Father's gravesite in Section 60 of Arlington National Cemetery.

39th Chief Of Staff of the United States Army, General Mark A. Milley walks with the sons of Staff Sgt. Michael H. Simpson to their Father's gravesite in Section 60 of Arlington National Cemetery.