The American guided missile destroyer USS Dewey was reported as having carried out a ‘freedom of navigation operation’ or FONOP in the South China Sea on May 24. According to the US Naval Institute the undertaking involved manoeuvres «within 12 nautical miles of Mischief Reef for about 90 minutes zig-zagging in the water near the installation. At one point during the operation, the ship’s crew conducted a man overboard drill».
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