Established in July 1963 to observe and certify the implementation of the disengagement agreement between Saudi Arabia and the United Arab Republic, this Mission ended its activities and was withdrawn in September 1964.
The centre of the ribbon is a wide bar filled with varying shades of brown indicating the dry and rugged mountainous mass in Yemen, while the lighter shades represent the desert. The centre is flanked by two stripes of UN blue. Sixty days of service were required to qualify for the award of the medal.
The following countries provided troops to this Mission: Australia, Austria, Canada, Denmark, Ghana, India, Italy, the Kingdom of the Netherlands, New Zealand, Norway, Pakistan, Sweden, the United States of America and Yugoslavia.