The President of the United States of America takes pleasure in presenting the Navy Distinguished Service Medal to Captain Orton Porter Jackson, United States Navy, for exceptionally meritorious service in a duty of great responsibility Chief of Staff to the Commander in Chief, Atlantic Fleet, in which capacity, in addition to the many exacting duties connected with the administration of the fleet under the complicated conditions incident to the war, he twice accompanied the Commander in Chief on tours of inspection abroad, where his thorough and able attention to and observation of our own and allied forces and methods produced results of the greatest value to the navy and the Government.