June 20, 1982 - Destroyers USS Lynde McCormick (DDG 8), USS Turner Joy (DD 951) and the cruiser USS Sterett were fired upon by machine guns from an unidentified vessel after returning from the U.S.-Thai exercise Cobra Gold, '82. McCormick returned fire and the foreign vessel fled without further action.
Here's the original story as reported in the Stars & Stripes...
http://www.navysite.de/cruisebooks/dd951-82/index_010.htm