Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, salutes during the playing of the U.S. national anthem after a wreath-laying ceremony at the Russian Tomb of the Unknown Soldier in Moscow on June 26, 2009.
Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, salutes during the playing of the U.S. national anthem after a wreath-laying ceremony at the Russian Tomb of the Unknown Soldier in Moscow on June 26, 2009. U.S. Joint Chiefs of Staff
Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, salutes during the playing of the U.S. national anthem after a wreath-laying ceremony at the Russian Tomb of the Unknown Soldier in Moscow on June 26, 2009. U.S. Joint Chiefs of Staff

Pentagon cuts off ties with Russian military over Ukraine

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