Keywords: U-66 Rammspur.jpg en <nowiki/> USS Buckley in drydock at the Boston Navy Yard - Her bow bent from ramming U-66 U-66 was detected by a VC-55 Avenger from USS Block Island and sunk by the destroyer escort USS Buckley on May 6 1944 http //www history navy mil USN 1944-05 PD-USGov-Military-Navy Buckley class destroyer escorts Ramming damage U-66 submarine 1940 |