Keywords: Umpqua (ATA-209).jpg en USS ATA-209 left and Alarka YTB-229 center guide the center section of YFD-6 through Culebra Cut in the Panama Canal circa May-June 1945 Navy SeaBees turned YFD-6's center section on its side and installed a thousand pontoons atop the wing wall to allow the drydock to float on its side during the canal transit The photograph was released for publication on 25 June 1945 US Navy photo NH 98829 from the collections of the US Naval Historical Center http //www navsource org/archives/09/38/38209 htm US Navy photo NH 98829 from the collections of the US Naval Historical Center May-June 1945 PD-USGov-Military-Navy Tugboats of the United States Navy Culebra Cut Floating drydocks of the United States Navy 1945 in transport in the United States Ships in the Panama Canal 1945 in Panama Canal Zone |