The President of the United States of America, in the name of Congress, takes pleasure in presenting the Medal of Honor to Private John Hack, United States Army, for extraordinary heroism on 3 May 1863, while serving with Company B, 47th Ohio Infantry, in action at Vicksburg, Mississippi. Private Hack was one of a party which volunteered and attempted to run the enemy’s batteries with a steam tug and two barges loaded with subsistence stores.