The President of the United States of America takes pleasure in presenting the Navy Cross to Pharmacist’s Mate Second Class John H. Marks, United States Navy, for extraordinary heroism and devotion to duty while serving as a Corpsman with the Sixth Regiment (Marines), 2d Division, American Expeditionary Forces, in action near Vierzy, France, on 19 July 1918. Pharmacist’s Mate Second Class Marks labored courageously and tirelessly throughout the day and well into the night, in dressing the wounded in the field, in the open and under inadequate shelter.