Keywords: USS O'Callahan (DE-1051) and USS Pivot (MSO-463) underway c1970.jpg The U S Navy destroyer escort USS O'Callahan DE-1051 and the minesweeper USS Pivot MSO-463 underway circa 1970 Official U S Navy photo http //www history navy mil/our-collections/photography/alphabetical---donations0/m/ua-543-05-richard-meschino-collection html UA 543 05 from the U S Navy http //www history navy mil Naval History and Heritage Command between 1968 1972 U S Navy PD-USGov-Military-Navy USS O'Callahan FF-1051 USS Pivot MSO-463 |