A 100-year-old World War II veteran finally got to scratch a much-deserved, long-awaited bullet point from his bucket list. Jack Eaton, the oldest living sentinel of the Tomb of the Unknown Soldier, arrived at Detroit Metropolitan Airport Oct. 23 afternoon after spending the morning in Arlington, Virginia, where he saw, for the first time, a recently erected plaque recognizing his guardianship of the monument from January 1938 to December 1939. Read more on Military.com.