SUNNYVALE, Calif., Feb. 2 Lockheed Martin (NYSE:LMT) has selected Dr. Donald G. (Don) DeGryse, an executive with 24 years of experience in government and commercial programs, as vice president, Navigation Systems for Space Systems Company.

In his new role, DeGryse will lead the overall strategic development and implementation of the company's pursuit of the next-generation Global Positioning System, known as GPS III. A major focus area for Lockheed Martin, GPS III will enhance space-based navigation and performance and set a new world standard for positioning and timing services. The new program will address the challenging military transformational and civil needs across the globe, including advanced anti-jam capabilities, improved system security and accuracy, and reliability.

In addition to managing the GPS III campaign, he will be responsible for the execution of Lockheed Martin's operational GPS programs, including GPS IIR and IIR-M. There are currently 13 fully operational Block IIR satellites within the overall 28-spacecraft constellation, including the first modernized IIR satellite recently declared fully operational for GPS users around the globe. The Navigation Systems organization is within the Military Space Programs line of business.

"Don's impressive track record in business management and program execution will be valuable to our goal of delivering an innovative and best value GPS III solution for our customer," said Leonard F. Kwiatkowski, Lockheed Martin's vice president and general manager of Military Space Programs. "His extensive leadership experience and familiarity with our Air Force customer will serve us well as we strengthen our competitive posture for this important opportunity."

DeGryse joined Lockheed Martin in 1982. He most recently served as vice president, Space Radar program where he successfully led the company's effort to win a multi-million dollar contract for the concept development phase of the program. Other key assignments include serving as vice president of Defense Systems, vice president of Flight Systems and vice president of Business Development.

He has a PhD degree in mathematics from Colorado State University and held positions as assistant professor at Bowling Green State University and Gonzaga University. He is also a graduate of the Harvard Business School Program of Management Development.

Headquartered in Bethesda, Md., Lockheed Martin employs about 135,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services. The corporation reported 2005 sales of $37.2 billion.