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Dava Guerin

Retired Marine Sgt. John Peck, of Fredricksburg, Va., right, and Sophia Elwood, 7, the daughter of Peck's fiancee, place an American flag on one of the names inscribed at the south reflecting pool at the 9/11 Memorial in New York, July 4, 2014. (AP/Tina Fineberg)

The story of my new arms: An organ donor’s gift helped me recover from war injuries

John Peck, Dava Guerin, Terry Bivens