The great seapower. Nations have traditionally strived to exert that power beyond the seapower frontier of the nation itself and thus have been generally "blue water" in outlook. But occasionally in history those who have controlled the sea have themselves unprepared to exercise that seapower into strategically located shallow water areas those costal and inland waterways which often are the major thoroughfares of a county and support the mass of its population.
Cracknell, William H. Jr
"The Role of the U.S. Navy in Inshore Waters,"
Naval War College Review: Vol. 21
, Article 8.
Available at: https://digital-commons.usnwc.edu/nwc-review/vol21/iss8/8