The President of the United States of America takes pride in presenting the Navy and Marine Corps Medal (Posthumously) to Motor Machinist’s Mate First Class John H. Marks (NSN: 2342274), United States Navy, for heroic conduct while serving in the U.S.S. GRAYLING (SS-209) during the Midway and sever other war patrols in Japanese waters. Motor Machinist’s Mate First Class Marks maintained the operating condition of his ship in high efficiency. On one occasion he effected prompt repairs which restored the ship to normal use.