The President of the United States of America, authorized by Act of Congress July 9, 1918, takes pleasure in presenting the Silver Star to Sergeant Jack K. Thun (ASN: 39226971), United States Army, for gallantry in action as a member of Company H, 17th Infantry Regiment, 7th Infantry Division, landing Force 51.4, in action near Massacre Valley – Chichagof Valley Pass, Attu Island, Territory of Alaska, on 12 May 1943.