In this Tuesday, April 12, 2016, file photo provided by the U.S. Navy, a Russian Sukhoi Su-24 attack aircraft makes a low altitude pass by the USS Donald Cook in the Baltic Sea. (U.S. Navy via AP) ** FILE **
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In this Tuesday, April 12, 2016, file photo provided by the U.S. Navy, a Russian Sukhoi Su-24 attack aircraft makes a low altitude pass by the USS Donald Cook in the Baltic Sea. (U.S. Navy via AP) ** FILE **
