Having been made acting sub-lieutenant at the start of 1929 , he started lieutenants courses at the Royal Naval College , Greenwich .
Having been made acting sub-lieutenant at the start of 1929 , he continued from 12 August 1929 at Portsmouth .
Having been made acting sub-lieutenant at the start of 1929 , he started lieutenants courses at the Royal Naval College , Greenwich , and continued from 12 August 1929 at Portsmouth .