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President Barack Obama signs the instrument of ratification of the New START Treaty in the Oval Office, Feb. 2, 2011.

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Sailors of the People’s Liberation Army Navy march past the USS Blue Ridge (LCC 19), at the time the United States Seventh Fleet flagship homeported in Yokosuka, Japan.

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Taliban co-founder Mullah Abdul Ghani Baradar (R) and U.S. Special Representative for Afghanistan Reconciliation Zalmay Khalilzad (L) shake hands as they exchange peace agreement documents during the signing ceremony on February 29, 2020 in Doha, Qatar