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 Robert D. Hackenson (ASN: US-55235754), United States Army, for conspicuous gallantry and intrepidity in action while serving with Company F, 2d Battalion, 65th Infantry Regiment, 3d Infantry Division. On the afternoon of 10 June 1953, Company F commenced to attack enemy held Hill 412 in the vicinity of Sagimak, Korea. When attempting to attack enemy positions on the reverse slope of the hill, the assault team was met by a hail of enemy grenades, automatic weapons, and mortar fire. Two squads from the support platoon were quickly called into the conflict. Sergeant Hackenson was a squad leader in this support unit. The platoon leader then asked for volunteers to form an eight man assault team in a rush of the enemy’s positions. Armed with grenades, Sergeant Hackenson immediately volunteered and began hurling grenades into enemy trenches. Moving over the crest, he came under automatic weapons fire from a concealed enemy position. Exposing himself to the raking fire, he continued his advance, throwing grenades with devastating effect. His actions resulted in mortally wounding four of the enemy, rendering others as casualties, and contributing immeasurably towards the complete rout of the enemy from their entrenched positions. Sergeant Hackenson’s outstanding gallantry and devotions to duty reflect great credit upon himself and the military service.