On 7 June 1940 he was promoted to temporary Squadron Leader.

He was promoted to Squadron Leader on 1 December 1941.

He was promoted to Squadron Leader on 29 May 1929.

On 1 January 1936, he was again promoted, to Squadron Leader.

On 1 January 1974, he was promoted to Squadron Leader.

During his time there, he was promoted to Squadron Leader in 1936.

One December 1941 saw him promoted to temporary Squadron Leader.

He was promoted to Squadron Leader on 1 January 1950.

On 1 October 1937, he was promoted to Squadron Leader.

On 10 October 1928, he was promoted to Squadron Leader.