Keywords: USS Navajo (AT-52).jpg F-4 SS-23 April-August 1915 All salvage pontoons on the surface off Honolulu Hawaii circa 29 August 1915 with preparations under way to tow the sunken submarine into Honolulu harbor The tug at right is probably Navajo AT-52 6 US Navy photo http //www navsource org/archives/09/47/47052 htm NH 43499 from the collections of the US Naval Historical Center Halftone photograph copied from Transactions of the Society of Naval Architects and Marine Engineers Volume 24 1916 Figure 13 US Navy photo NH 43499 1915-08-29 PD-USGov-Military-Navy Tugboats with submarines Tugboats of the United States Navy |