1 / 500
This image provided by the U.S. Navy, taken Oct. 17, 2016, shows the guided missile destroyer USS Decatur, right, pulling into position behind the Military Sealift Command USNS Matthew Perry, during a replenishment-at-sea, seen from the bridge of the guided-missile destroyer USS Spruance, in the South China Sea. The Defense Department says a U.S. Navy warship has conducted a freedom of navigation operation in the South China Sea, where China and five other countries have competing territorial claims. A department spokesman, Navy Cmdr. Gary Ross, said the destroyer ship USS Decatur conducted the transit operation Friday, Oct. 21, 2016, near the Paracel Islands. (U.S. Navy/Petty Officer 2nd Class Will Gaskill via AP)

Photos: Cast of 'Friends'