Japan hands over nuclear material to U.S.

Mar 24, 2014, 4:36 PM EDT
HE HAGUE, NETHERLANDS - MARCH 24: Japan's Prime Minister Shinzo Abe and U.S. President Barack Obama (R) attend the opening session of the at the 2014 Nuclear Security Summit on March 24, 2014 in The Hague, Netherlands. The Nuclear Security Summit, held March 24-25, will be attended by world leaders and is aimed at preventing nuclear terrorism. Credit Pool/Getty Images
Pool/Getty Images

Japan and the United States have signed a landmark deal that would have Japan hand over hundreds of kilograms of plutonium and uranium as part of efforts to reduce global stockpiles of sensitive atomic material.