The headquarter building became the modern Lockheed Martin building when it was sold to Martin Marietta Astronautics Group in 1987 .
The plans for the housing community quickly evolved into present - day Ken Caryl Valley 's neighborhoods , whose homes were mostly completed by 1997 .
The headquarter building became the modern Lockheed Martin building when it was sold to Martin Marietta Astronautics Group in 1987 , and the plans for the housing community quickly evolved into present - day Ken Caryl Valley 's neighborhoods , whose homes were mostly completed by 1997 .