After leaving the Air Force in 1946 as a group captain , Lerew took up a position with the newly formed ICAO in Canada .
Awarded the Distinguished Flying Cross , he subsequently commanded the RAAF 's first flying safety directorate .
After leaving the RAAF   in 1946 as a group captain , Lerew took up a position with the newly formed ICAO in Canada .
Awarded the Distinguished Flying Cross , he subsequently commanded the RAAF 's first flying safety directorate .