Complex sentence: Tedder was advanced to Knight Commander of the Order of the Bath in the 1942 New Year Honours, mentioned in despatches for his services in the Middle East on 30 June 1942 and promoted to the temporary rank of air chief marshal on 3 July 1942.
Split into simpler sentences: Tedder was advanced to Knight Commander of the Order of the Bath in the 1942 New Year Honours. He was promoted to the temporary rank of air chief marshal on 3 July 1942.