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A group of peace activists, including Presentation Sr. Mary Dennis Lenstch, march to the Y-12 National Security Complex near Oak Ridge, Tennessee, for a witness in April 2011. (NCR photo/Joshua J. McElwee)
A group of peace activists, including Presentation Sr. Mary Dennis Lenstch, march to the Y-12 National Security Complex near Oak Ridge, Tennessee, for a witness in April 2011. (NCR photo/Joshua J. McElwee)