Complex sentence: On promotion to air vice marshal on 14 May 2003 Dalton was appointed Director Information Superiority, also being appointed Controller Aircraft in 2004, retaining this post upon his appointment as Director Typhoon in 2006.
Split into simpler sentences: On promotion to air vice marshal on 14 May 2003, Dalton was appointed Director Information Superiority. He was also appointed Controller Aircraft in 2004, retaining this post upon his appointment as Director Typhoon in 2006.