This category is strictly used for images to be linked to a forum. The first sub category is called za and may grow to 999 images.
Zo629. In my search of history, I learned it was put to work in Manila Bay 1945, to help clear the bay from the Japanese sunken ships. Here is USS Teak (AN-35) near the Mare Island Navy Yard, 21 February 1944, after alterations.
US National Archives, RG-19-LCM, Photo # 19-N-62751 a US Navy Bureau of Ships photo now in the collections of the US National Archives. Mike Green.