 Company C, 1st Engineers "Charlie Rock", under the command of Captain (later Lieutenant Colonel) Joseph Gandara, became Company C, 70th Engineer Battalion.Company E, an assault float ribbon bridge company at the time equipped with powerful bridge erection boats, float bridge bays and trucks, was reorganized and re-equipped as a mechanized engineer company becoming Company A, 70th Engineer Battalion, under the command of Captain (later Colonel) Vance F. Stewart.A new Company B, 70th Engineers was formed from new personnel and equipment.