Complex sentence: In 1953, the Assistant Chief of the Air Staff (Operational Requirements), Air Vice Marshal Geoffrey Tuttle, requested a specification for a ballistic missile with range, and work commenced at the Royal Aircraft Establishment in Farnborough later that year.
Split into simpler sentences: In 1953, the Assistant Chief of the Air Staff (Operational Requirements), Air Vice Marshal Geoffrey Tuttle, asked for a specification for a ballistic missile with range to be drawn up. Work commenced at the Royal Aircraft Establishment in Farnborough later that year.