[3] Following World War II, Cocopa shuttled between the Philippines, Shanghai, Okinawa and Hong Kong on occupation duty, before returning to Puget Sound Naval Shipyard in January 1947 for an overhaul.
Official reports indicated that crewmembers suffered the highest doses (2.2 rem) of radiation endured by any of the navy ships present at this operation.
This outfit consisted of one officer and five enlisted men, whose mission was to jam Soviet electronic intelligence trawlers monitoring U.S. operations in the Gulf of Tonkin.
Team members utilized random wave jamming with noises (including bagpipe recordings) to counteract Russian SIGINT activities.
[6] [4] On 30 September 1978, Cocopa was decommissioned and sold to Mexico under the Security Assistance Program, where she was recommissioned in the Mexican Navy as ARM Seri (RE-03).