New Zealand Service Medal 1946-1949New Zealand Service Medal 1946 1949 Full size medal Unmounted with 15cm ribbon as required for swing mounting. Miniature size medal Unmounted with 10cm ribbon as required for swing mounting. New Zealand Service Medal 1946 1949: This medal was instituted in 1995 to recognise New Zealand military personnel who served in the occupation forces in Japan between March 1946 and March 1949. In 2002 the Royal Warrant was amended to also recognise service