[3] Erskine was commissioned at the Royal Military Academy Sandhurst in December 1960 into the Signal Corps of the Ghana Army.
He was then appointed the Chief of Staff of the United Nations Truce Supervision Organization (UNTSO) in Israel between January 1976 and April 1978.
[citation needed] Erskine again occupied the position of Chief of Staff of UNTSO and was also the United Nations Secretary General's Representative for Matters relating to UN Peacekeeping Operations in the Middle East from February 1981 to May 1986.
The commission was to investigate human rights abuses committed during the five military regimes which have ruled Ghana.
[3] The CPIA has the General Emmanuel Erskine Research and Documentation Centre (GERDC) named in his honor and was officially opened in September 2001 by him.
[14] Erskine was the Chairman of the Opportunities Industrialization Centre Ghana Accra Local Programme Committee.