 From May 1934 to June 1935 , Becher was posted to the gunnery school at the shore establishment HMAS Cerberus in Victoria . He later completed two years aboard HMAS Canberra as intelligence officer , and in 1937 was transferred to HMAS Stuart for flotilla duties . Promoted to lieutenant commander on 16 June 1938 , Becher briefly returned to Cerberus before embarking for the United Kingdom on exchange with the Royal Navy in January 1939 . 
