Under the provisions of Department of Defense 1348.33-M, the Secretary of Defense of the United States of America takes pleasure in awarding the Defense Superior Service Medal to Colonel (Infantry) Calvin Thomas Carlsen, United States Army, for exceptionally superior service to the Department of Defense as Chief Secretary Assistant, U.S. Defense Representative, Yemen, from 2005 to 2006. The distinctive accomplishments of Colonel (Infantry) Carlsen reflect great credit upon himself, the United States Army, and the Department of Defense.