text: The ships sent to the Royal Navy were slightly modified, partly to suit the traditions of that service. Among other things the ice-cream making machines were removed, since they were considered unnecessary luxuries on ships which provided a grog ration. The heavy duty washing machines of the laundry room were removed, since "all a British sailor needs to keep clean is a bucket and a bar of soap" (quoted from Warrilow).
  Other modifications were due to the need for a completely enclosed hangar when operating in the North Atlantic and in support of the Arctic convoys.
  Royal Canadian Navy
  Of the U.S.-built escort carriers, Nabob and Puncher sailed on launch from Tacoma to the port of Vancouver, where they were lightly refitted to Canadian standard and then crewed by Royal Canadian Navy personnel. Both ships served in the North Atlantic while nominally under the British fleet and carrying aircraft of the Fleet Air Arm.
  U.S. Navy service
  The attack on Pearl Harbor brought up an urgent need for aircraft carriers, so some T3 tankers were converted to escort carriers;  is an example of how a T3 tanker hull, AO-33, was rebuilt to be an escort carrier. The T3 tanker size and speed made the T3 a useful escort carrier. There were two classes of T3 hull carriers: Sangamon class and Commencement Bay class.
  The U.S. discovered their own uses for escort carriers. In the North Atlantic, they supplemented the escorting destroyers by providing air support for anti-submarine warfare. One of these escort carriers, , was instrumental in the capture of  off North Africa in 1944.