DULLES, Va., Sep 13, 2002 /PRNewswire-FirstCall via COMTEX/ -- Orbital Sciences Corporation (NYSE: ORB) announced today that it has been awarded the James S. Cogswell Industrial Security Achievement Award by the U.S. Department of Defense. As one of only seven government contracting companies nationwide to be recognized for this prestigious award, Orbital joins an elite group that represents the top one-tenth of one percent of the over 11,000 government contractors that participate in the industrial security program and are eligible for the Cogswell award. Orbital's Dulles, VA facility, home of the company's corporate headquarters, satellite design and manufacturing, and space launch vehicle program management, was selected for the award.

"Orbital's selection for the Cogswell award reflects our total commitment to principles of industrial security as outlined by the Defense Security Service's National Industrial Security Program," said Mr. Mark Bitterman, the company's Senior Vice President of Government Relations. "On behalf of our entire company, I want to commend Vincent Frammartino, our Senior Manager of Corporate and Industrial Security, and his team of professionals for their outstanding work."

Each year, the Defense Security Service recognizes outstanding participation and compliance with the National Industrial Security Program by contractor facilities with the Cogswell award. The criteria for the award include a company's focus on industrial security excellence, adherence to the National Industrial Security Program guidelines and setting standards to be emulated by other contractors participating in the program.

Orbital is one of the world's leading developers and manufacturers of affordable space systems for commercial, civil government and military customers. The company's primary products include low-orbit, geosynchronous and planetary spacecraft for communications, scientific and remote sensing missions; ground- and air-launched rockets that deliver satellites into orbit; and missile defense boosters that are used as target and interceptor vehicles. Orbital also offers space-related technical services to government agencies and develops and builds satellite-based transportation management systems for public transit and public works agencies, as well as private vehicle fleet operators.

    More information about Orbital can be found at http://www.orbital.com
CONTACT: Barron Beneski, Public and Investor Relations, of Orbital Sciences Corporation, +1-703-406-5528, or Beneski.barron@orbital.com

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SOURCE Orbital Sciences Corporation

CONTACT:          Barron Beneski, Public and Investor Relations, of Orbital
                  Sciences Corporation, +1-703-406-5528,  or Beneski.barron@orbital.com

URL:              http://www.orbital.com
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