BCOF voucher Awarded for 10 years of Clasp::Iraq Awarded for 10 years of Long Service with impellers and clasps awarded for each subsequent 10 year period of service The award is presented to those who perform humanitarian service in a foreign country The British Commonwealth Occupational Forces Association hereby authorises the issue of the Occupation of Japan Medal to all ex service personnel who have served with the Australian Component of the Occupational Forces or who served in Japan during the qualifying period with a Commonwealth unit closely associated with the Australian Component Qualifying service will be the same as for the issue of the Korea and Vietnam Medals