SS President Coolidge
Fig. 106: The gun on starboard side of the SS President Coolidge. Luckily this picture is sharp. I had forgotten to turn on autofocus on this dive. Espiritu Santo, Vanuatu. Nikon D200; Δt=1/250 s; f=14 mm; f/5.6; ISO 100; 26 July 2010 00:15:37