1939-1945 1942 20thcentury 5th appropriationsandexpenditures atlanticocean australia campaigns capecodcanal congresses expenditures floodcontrolchannels history levees massachusetts militarybases militarypolicy naval navaloperations nigeria operationdrumbeat pictorialworks prevention public searchandrescueoperations securitymeasures shoreprotection smuggling submarine submarinemines territorialwaters terrorism unitedstates worldwar