Complex sentence: In 1946, Dave Lewis joined the company as Chief of Aerodynamics, led the development of the legendary F-4 Phantom II in 1954, Executive Vice President in 1958, and finally President and Chief Operating Officer in 1962.
Split into simpler sentences: In 1946, Dave Lewis joined the company as Chief of Aerodynamics. He led the development of the legendary F-4 Phantom II in 1954, became Executive Vice President in 1958, and finally became President and Chief Operating Officer in 1962.