Leslie Shook, the woman behind the female voice in the F/A-18 cockpit that chirps up when things go awry, plans to retire from Boeing. An automated recording of her voice had been used as an audio cue that was designed to help reduce the workload on the pilot. In a study published years ago, pilots of the Hornet and Super Hornet typically experienced the highest workload in the single-seat aircraft, who were tasked with a multitude of jobs ordinarily performed by a two-seat crew.