ペン・セントラル鉄道
In 1993, Tracor increased its size dramatically with the acquisition of Vitro Corporation from Penn Central Transportation Company for $94 million. In 1994, Tracor purchased GDE Systems Inc. from the Carlyle Group. (GDE Systems was originally the General Dynamics Electronics Division before it was spun off.) In February 1996, Tracor acquired AEL Industries, an electronic warfare systems and components manufacturer which became part of the Tracor Aerospace division in March 1997.