Complex sentence: He became Air Officer Commanding No.85 (Base) Group with the acting rank of air vice marshal on 26 April 1945 and went on to be Air Officer Commanding No.11 Group in July 1945.
Split into simpler sentences: He became Air Officer Commanding No.85 (Base) Group with the acting rank of air vice marshal on 26 April 1945. He went on to be Air Officer Commanding No.11 Group in July 1945.