[2][3] She was commissioned into the WAAF as a company assistant (equivalent to a pilot officer in the Royal Air Force), with seniority from 5 December 1938.
Barnett states "Never once did they speak of their secret work, seldom were they late for duty, even after a raid.
"[5] After the end of the war, in the summer of 1945, Barnett was posted to RAF Mediterranean Command in Caserta, Italy.
[1] There, she served as the "staff officer responsible for all WAAF personnel working in the RAF Mediterranean and Middle East command".
[6] In October 1947, she returned to the United Kingdom and was appointed as an WAAF staff officer at Flying Training Command headquarters.
[2] In the 1956 New Year Honours, Barnett was appointed a Commander of the Order of the British Empire (CBE).