Lockheed Martin GPS III Team Successfully Completes Major Design Review Phase on...

Lockheed Martin GPS III Team Successfully Completes Major Design Review Phase
on Schedule

NEWTOWN, Pa., May 21 /PRNewswire-FirstCall/ -- The Lockheed Martin (NYSE: LMT)
team developing the U.S. Air Force's next-generation Global Positioning System
(GPS) spacecraft, known as GPS III, has successfully completed the Preliminary
Design Review (PDR) phase, a major program milestone that allows the team to
begin the Critical Design Review (CDR) stage.

Lockheed Martin, Newtown, Pa., along with teammates ITT, Clifton, N.J., and
General Dynamics of Gilbert, Ariz., completed a comprehensive spacecraft
segment PDR, which represented the culmination of 70 subsystem and assembly
PDRs, executed over the past six months.

Nearly 150 representatives from the U.S. Air Force Global Positioning Systems
Wing and user communities, including representatives from the Department of
Defense, the Joint Chiefs of Staff, Air Force Space Command, the Department of
Transportation, and the Federal Aviation Agency participated in the four day
Space Vehicle PDR at Lockheed Martin Space Systems facilities in Newtown, Pa.
Completion of the PDR milestone validates that the design meets warfighter and
civil requirements and advances the GPS III program into the Critical Design
Review phase.

"The on-schedule completion of the PDR phase is an important design milestone
giving the U.S. government high confidence we'll meet our worldwide
performance commitments," said Col. Dave Madden, the U.S. Air Force GPS Wing
Commander. "Our progress is the result of a strong government-industry team
focused on mission success and delivering the much-needed capabilities that
GPS III will provide to users around the globe."

GPS III will improve position, navigation and timing services and provide
advanced anti-jam capabilities yielding superior system security, accuracy and
reliability. The team is working under a $3 Billion Development and Production
contract awarded in May 2008 to produce up to 12 GPS IIIA satellites, with
first launch projected for 2014.

The next generation GPS IIIA satellites will deliver significant improvements
over current GPS space vehicles, including a new international civil signal
(L1C) and increased M-Code anti-jam power with full earth coverage for
military users.

"The quality of the PDR demonstrates the maturity of our design, our readiness
to enter the next development phase, and the entire team's dedication to
keeping the GPS constellation strong," said Dave Podlesney, Lockheed Martin's
GPS III program director. "We look forward to an efficient and thorough CDR
phase, and delivering on our commitment to achieve mission success for our
customer and GPS users world-wide."

Through precision location and timing information, the GPS constellation
provides critical situational awareness and precision weapon guidance for the
military and supports a wide range of civil, scientific and commercial
functions - including air traffic control, ATM banking, and the Internet. Air
Force Space Command's 2nd Space Operations Squadron (2SOPS), based at
Schriever Air Force Base, Colo., manages and operates the GPS constellation
for both civil and military users.

Headquartered in Bethesda, Md., Lockheed Martin is a global security company
that employs about 146,000 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
2008 sales of $42.7 billion.

Media Contacts:
Michael Friedman, 408-742-3516; e-mail, Michael.1.friedman@lmco.com

Steve Tatum, 408-742-7531; e-mail, Stephen.o.tatum@lmco.com

Low- and high-resolution JPEG image files of GPS III satellites are
available at: http://www.lockheedmartin.com/products/GPS/

SOURCE Lockheed Martin

Michael Friedman, +1-408-742-3516, Michael.1.friedman@lmco.com, or Steve
Tatum, +1-408-742-7531, Stephen.o.tatum@lmco.com, both of Lockheed Martin