After two years of not making the list to attend a Senior Service College, Clark was selected to attend the National War College graduating in June 1983, and he was promoted to full colonel in October 1983.
Clark was selected to attend the National War College graduating in June 1983. This was after two years of not making the list to attend a Senior Service College. He was promoted to full colonel in October 1983. This was after two years of not making the list to attend a Senior Service College.