Complex sentence: During the Second World War RAF Andover was the headquarters of RAF Maintenance Command, and it was one of four airfields in Hampshire to be given a decoy site in 1940, to deceive enemy aircraft into attacking a spurious target.
Split into simpler sentences: During the Second World War, RAF Andover was the headquarters of RAF Maintenance Command. It was one of four airfields in Hampshire to be given a decoy site in 1940, to deceive enemy aircraft into attacking a spurious target.