Keywords: USS Herbert J. Thomas (DD-833) off Boston in May 1945.jpg The U S Navy destroyer USS Herbert J Thomas DD-833 off Boston Massachusetts USA on 28 May 1945 Note the mast with the SP radar aft replacing the forward torpedo tubes The aft torpedo tubes were replaced by a 40 mm quadruple mount Both were added to counter Japanese kamikaze suicide planes Destroyers fitted with the SP radar were designated as radar picket destroyers DDR in 1949 SP was replaced by SPS-8A in the 1950s Official U S Navy Bureau of Ships photo http //destroyerhistory org/assets/sumner-gearingclass/833herbertjthomas_01 jpg 19-N-85270 available at http //destroyerhistory org/sumner-gearingclass/0_allnum/833herbertjthomas_01 html Destroyerhistory org 1945-05-28 USN PD-USGov-Military-Navy USS Herbert J Thomas DD-833 SP radar |