Established in October 1962 to maintain peace and security in the territory under the United Nations Temporary Executive Authority established by agreement between Indonesia and the Kingdom of the Netherlands. UNSF monitored the cease-fire and helped ensure law and order during the transition period, pending transfer to Indonesia. Upon completion of the mandate, the Mission was withdrawn in April 1963.
The medal ribbon has a background of UN blue with three centered narrow stripes in the colours dark green, white and light green. The dark green represents the jungle and the swampland, white indicates the snow-capped mountains and pale green represents the coral beaches of the region.
The countries of Canada, Ceylon, India, Ireland, Nigeria, Pakistan, Sweden and the United States of America provided troops to this Mission.