He would hold executive positions at Lockheed Martin and Thiokol before retiring in 2001 .
Crippen would serve as the Director of Kennedy Space Center from January 1992 until January 1995 , when he left NASA .
Crippen would hold executive positions at Lockheed Martin and Thiokol before retiring in 2001 .
Crippen would serve as the Director of Kennedy Space Center from January 1992 until January 1995 , when he left NASA .