The President of the United States of America, authorized by Act of Congress July 9, 1918, takes pleasure in presenting the Silver Star (Army Award) to Private First Class James O. Walker (MCSN: 415026), United States Marine Corps Reserve, for gallantry in action at Vangunu, Solomon Islands, while a member of a five man patrol which was halted by enemy fire, he aggressively went forward and killed an entire enemy machine gun crew on 1 July 1943.