Press Release

Orbital Promotes Jack Danko to Executive Vice President and General Manager of Space Systems Group

By SpaceRef Editor
January 31, 2003
Filed under , ,

Orbital Sciences
Corporation today announced that Mr. John M. “Jack” Danko has been
named Executive Vice President and General Manager of the company’s Space
Systems Group (SSG). Mr. Danko is a 14-year veteran with Orbital, having
previously served as Deputy General Manager of SSG since 1999 and before that,
as the head of the company’s Technical Services Division in Greenbelt, MD from
1989. Prior to joining Orbital, Mr. Danko worked at RCA’s AstroElectronics
Division and at OAO Corporation. During his years at RCA and OAO, he held
various technical and management positions on numerous satellite programs. Mr.
Danko also served for four years in the U.S. Air Force in the mid-1960s. He
holds a B.S. degree in Engineering Physics from Lehigh University and an M.S.
degree in Systems Engineering from the University of Pennsylvania.

“I am delighted to welcome Jack to our senior executive team,” said Mr.
David W. Thompson, Orbital’s Chairman and Chief Executive Officer. “Over the
past several years, Jack has played a very prominent role in the company’s
successful ‘back to basics’ strategy, which is focused on our core satellite
and launch vehicle products. With his many years of outstanding service to
the company, his knowledge and insight into our customer base, and his proven
leadership abilities, Jack is the ideal person to lead SSG into its promising

About Orbital’s Space Systems Group

Orbital’s SSG is a leading builder of small- and medium-class satellites
that perform communications, remote sensing, Earth imaging, technology
demonstration and planetary exploration missions. It also provides space-
related technical services to U.S. government and scientific organizations.
SSG currently has 15 satellites in various stages of design, production and
testing for commercial, military and scientific missions. In the last 20
years, SSG has been one of the industry’s busiest suppliers of spacecraft,
having built and delivered over 85 satellites and 25 other major space systems.
Its customer base includes commercial, civil government and military customers
in the U.S. and abroad. Orbital’s SSG employs approximately 850 people at
company facilities in Dulles, VA, Greenbelt, MD and several smaller locations.
SSG is expected to generate approximately $230 million in revenues in 2002.

About Orbital

Orbital is one of the world’s leading developers and manufacturers of
small space systems for commercial, civil government and military customers.
In addition to the satellite products and technical services described above,
the company also produces ground- and air-launched rockets that deliver
satellites into orbit; and missile defense boosters that are used as
interceptor and target vehicles. Orbital also supplies satellite-based
transportation management systems for public transit agencies and private
vehicle fleet operators.

More information about Orbital can be found at

NOTE TO EDITORS: A high-resolution photo of Mr. Danko is available on
Orbital’s web site at:

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

SpaceRef staff editor.