explosives. torpedoes were expensive, and so used only when absolutely necessary. when britain began arming merchant ships, the germans began firing without warning. by 1915, the north sea was declared a war zone and u-boats adopted a policy of unrestricted submarine warfare. germany publicly ...
Two unrestricted line officer communities were examined: surface warfare off... Wilcove, G. L,Bruni, J,Morrison, R. F 被引量: 1发表: 1987年 Optimal Officer Accession Planning for the U.S. Navy. A computer-based multiperiod goal programming model was developed to determine the number of ...