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.
miles / square second to kilometers / square hour (mi/secÂ² to km/hÂ²) conversion. 1 mile / square second (mi/secÂ²) is equal 20857098.239911 kilometers / square hour (km/hÂ²) use this converter. Acceleration - a physical term describing the increase in velocity of an object over time. It is a vector quantity.