Complex sentence: Debrett's People of Today 1994 He was Commanding Officer of 1st Bn Gloucestershire Regiment from 1975 to 1977 and then commanded 3rd Infantry Brigade from 1979 to 1981.
Split into simpler sentences: Debrett's People of Today 1994 He was Commanding Officer of 1st Bn Gloucestershire Regiment from 1975 to 1977. He commanded 3rd Infantry Brigade from 1979 to 1981.