in november 1920, he enrolled at the field officers' school in langley field, virginia, and graduated in august 1921. he was then assigned to the office, chief of the air service, in washington, d.c. in june 1923, he was assigned to the mccook field, ohio, where he attended the air service engineering school and a year later became assistant chief in there. in august 1925 he was stationed in the philippines as commanding officer at kindley field, fort mills. later on he became a commander at clark field, where he was in charge of the 3rd pursuit squadron till may 1928. the same year he came back home, and became an assistant commandant at march field, california.