Complex sentence: Rear-Admiral Sir Ronald Stephen Forrest, KCVO (11 January 1923-2005) was a senior Royal Navy officer who served as Defence Services Secretary from 1972 to 1975.
Split into simpler sentences: Rear-Admiral Sir Ronald Stephen Forrest, KCVO (11 January 1923-2005) was a senior Royal Navy officer. He was Defence Services Secretary from 1972 to 1975.