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President Barack Obama stands with retired Marine Cpl. William "Kyle" Carpenter, left, before awarding him the Medal of Honor, Thursday, June 19, 2014, in the East Room of the White House in Washington. (AP Photo/Pablo Martinez Monsivais) ( Obama Medal of Honor )

U.S. President Barack Obama delivers remarks before awarding retired Marine Cpl. William 'Kyle' Carpenter with the Medal of Honor during a ceremony in the East Room of the White House on June 19, 2014 in Washington, DC. (Photo by Chip Somodevilla/Getty Images) ( 450877884 )

President Barack Obama speaks in the East Room of the White House in Washington, Thursday, June 19, 2014, during a ceremony where he awarding retired Marine Cpl. William "Kyle" Carpenter, 24, left, the Medal of Honor for conspicuous gallantry. (AP Photo/Jacquelyn Martin) ( Obama Medal of Honor )

Members of the medial team from Walter Reed National Military Medical Center Bethesda who helped treat retired Marine Cpl. William 'Kyle' Carpenter are recongnized for their work during Carpenter's Medal of Honor ceremony in the East Room of the White House on June 19, 2014 in Washington, DC. (Photo by Chip Somodevilla/Getty Images) ( 450878714 )

Previous Medal of Honor recipents attend retired Marine Cpl. William 'Kyle' Carpenter's Medal of Honor ceremony in the East Room of the White House on June 19, 2014 in Washington, DC. (Photo by Chip Somodevilla/Getty Images) ( 450878696 )

Retired Marine Cpl. William 'Kyle' Carpenter while being awarded the Medal of Honor from U.S. President Barack Obama during a ceremony in the East Room of the White House on June 19, 2014 in Washington, DC. (Photo by Win McNamee/Getty Images) ( 450877994 )

President Barack Obama awards retired Marine Cpl. William "Kyle" Carpenter the Medal of Honor for conspicuous gallantry, during a ceremony in the East Room of the White House in Washington, Thursday, June 19, 2014. (AP Photo/Jacquelyn Martin) ( APTOPIX Obama Medal of Honor )

U.S. first lady Michelle Obama (C) joins Secretary of Defense Chuck Hagel and others for a ceremony where retired Marine Cpl. William 'Kyle' Carpenter was awarded the Medal of Honor in the East Room of the White House on June 19, 2014 in Washington, DC. (Photo by Chip Somodevilla/Getty Images) ( 450878680 )

Retired Marine Cpl. William 'Kyle' Carpenter receives the Medal of Honor from U.S. President Barack Obama during a Medal of Honor ceremony in the East Room of the White House on June 19, 2014 in Washington, DC. (Photo by Chip Somodevilla/Getty Images) ( 450881334 )

Retired Marine Cpl. William "Kyle" Carpenter, 24, currently a student at the University of South Carolina, speaks in the Brady Press Briefing Room of the White House in Washington, Thursday, June 14, 2014, after being awarded the Medal of Honor by President Barack Obama. (AP Photo/Jacquelyn Martin) ( Obama Medal of Honor )

President Barack Obama and the crowd applaud retired Marine Cpl. William "Kyle" Carpenter, 24, left, after awarding him the Medal of Honor for conspicuous gallantry, Thursday, June 19, 2014, during a ceremony in the East Room of the White House in Washington. (AP Photo/Jacquelyn Martin) ( Obama Medal of Honor )

President Barack Obama shakes hands with retired Marine Cpl. William "Kyle" Carpenter after awarding him the Medal of Honor, Thursday, June 19, 2014, in the East Room of the White House in Washington. (AP Photo/Pablo Martinez Monsivais) ( Obama Medal of Honor )

Retired Marine Cpl. William 'Kyle' Carpenter receives a round of applause after being awarded the Medal of Honor by U.S. President Barack Obama during a ceremony in the East Room of the White House on June 19, 2014 in Washington, DC. (Photo by Chip Somodevilla/Getty Images) ( 450877894 )

Retired Marine Cpl. William 'Kyle' Carpenter is greeted by U.S. President Barack Obama after receiving the Medal of Honor during a ceremony in the East Room of the White House on June 19, 2014 in Washington, DC. (Photo by Win McNamee/Getty Images) ( 450877966 )

White House Chief of Staff Denis McDonough (3rd L), Secretary of Defense Chuck Hagel (4th L), Commandant of the Marine Corps James Amos (R) and others attend a ceremony where retired Marine Cpl. William 'Kyle' Carpenter was awarded the Medal of Honor in the East Room of the White House on June 19, 2014 in Washington, DC. (Photo by Chip Somodevilla/Getty Images) ( 450878250 )

Retired Marine Cpl. William 'Kyle' Carpenter while being awarded the Medal of Honor from U.S. President Barack Obama during a ceremony in the East Room of the White House on June 19, 2014 in Washington, DC. (Photo by Win McNamee/Getty Images) ( 450877974 )