 Just after the cessation of hostilities he was temporarily promoted to colonel , and was appointed Director of Education for the NZEF . He remained at that post through to February 1919 at which time he was discharged from the NZEF , having reverted to his substantive rank of lieutenant colonel . During the course of the war , Stewart had been mentioned in despatches five times . In May 1919 he was appointed a Companion of the Order of St Michael and St George , and his citation noted his leadership of his battalion and temporary command of 2nd Infantry Brigade as well as his educational work for the NZEF . 
