Behind the Old Guard - Sentinels

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  • Published on:  Friday, November 28, 2014
  • The Sentinels at the Tomb of the Unknown Soldier stand guard 24 hours a day year-round to protect those that gave everything in service of their nation. What does it take to become a Sentinel? In our new series "Behind the Old Guard," we take an in-depth look at some of the specialty units in the 3d U.S. Infantry Regiment.
    (Video by Staff Sergeant Chris Ballentine)
    (Historic and aerial photos courtesy of U.S. Library of Congress
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