Keywords: London Naval Conference 1930.jpg en Members of the United States delegation on board the passenger liner George Washington while en route to the conference January 1930 Naval Historical Foundation Admiral William V Pratt 1930 PD-USGov-Military-Navy Check categories 2008 October 31 zh wikipedia 威廉·普瑞特 People of Maine Admirals of the United States Navy 1957 deaths 1869 births |