Since the destroyer was the only surface fleet unit that could effectively locate, attack and destroy a submarine, it was logical that we should develop a destroyer type that would concentrate on the submarine and thereby release destroyers for fleet assignment. Hence, the destroyer escort. By July of 1943, the program was going full blast. No less than sixteen U.S. yards were involved in building DEs. Between February 1943 and the end of the war in September 1945, 563 DEs were built.
Convert kilometers per hour to miles per hour. You are currently converting speed units from kilometers per hour to miles per hour. 1 kph = 0.62137119223733 mph. kilometers per hour.
We assume you are converting between mile/hour and knot. You can view more details on each measurement unit: mph or knots. The SI derived unit for speed is the meter/second. 1 meter/second is equal to 2.23693629205 mph, or 1.94384449244 knots. Note that rounding errors may occur, so always check the results.Use this page to learn how to convert between miles/hour and knots.iles per hour is a unit of speed, expressing the number of international miles covered per hour. It is commonly abbreviated in everyday use in the United States, the United Kingdom, and elsewhere to mph or MPH, although mi/h is sometimes used in technical publications.