looking for information on Kenneth Daniel Swanson Army's 77th Division

hi im looking for anyone that could give me information about my grandpa during the war. Im trying to make a family history tree. His name was Kenneth Daniel Swanson he enlisted with his cousin Vernon Larson august 12,1942.
he was sent to Virgina wherer he trained for the Army's 77th Division of the 233combat engineers.I believe he went to Neosho Missouri and then to the Mohave dessert and then to Fort Lewis washington. HE then did more duties in Hawaii, phiillippes, Guam,Leshima, Okanawa and then to Japan. Im looking for any kind of records, pictures of his unit etcIm doing this for my Grandma we lost my grandpa last Febuary and we want to make a family history tree. this would mean alot to me. thanks for your time
Michelle