If to speak about laws of development of the escort forces of the main sea powers in 1940-ies, the first thing that catches the eye of ever-increasing size of ships. This trend continued during the cold war. In the vast oceans required the hull, allows you to accommodate not only solid fuel but also of appropriate weapons, numerous electronics and gidroakustiki, which led to an increase in displacement and cost of construction. The once-popular corvettes, leading descended from small fishing boats, seemingly forever disappeared from the scene.
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