No 14 Squadron was reformed following the surrender of Japan, commanded by Squadron Leader Jesse de Willimoff, and later by Squadron Leader D.F St George. The squadron was outfitted with newer Corsair FG-1D fighter aircraft and the US extended its Lend-lease arrangement to over the cost. It became part of the British Commonwealth Occupation Force component of the J-Force occupational coalition. initially located in southern Honshu at the former Japanese naval air base at Iwakuni. The squadron flew armed patrols to protect armament and bomb dumps, to identify locations of hidden ammunition and check schoolyards for forbidden military parades. They undertook surveillance flights over the seas between Japan and Korea to identify and turn back boats smuggling Koreans into Japan.