Press Release

L-3 Communications Space & Navigation Awarded $14 Million Contract to Build Hardware for Boeing's Delta Avionics Program

Farnborough, England, July 19, 2004 – L-3 Communications (NYSE: LLL) announced today that its Space & Navigation division (L-3 S&N) has been awarded a $14 million contract by the Boeing Company of Huntington Beach, California, for the Delta Avionics program. Under this contract, which will run through April of 2008, L-3 S&N will assume design responsibility, then produce, qualify, test and deliver a total of 566 units comprised of ten different part types.

The program is a continuation of L-3 S&N’s heritage of producing highly reliable products for space launch applications. L-3’s hardware for the Delta Avionics program ranges from complex assemblies, providing inertial sensing, power switching and actuator control functions, to simple modules used for transient suppression. The avionics will be used in every stage of the Delta launch vehicle.

“ This award, coupled with our Redundant Inertial Flight Control Assembly (RIFCA) program, allows us to be one of the primary suppliers of Delta hardware to Boeing,” said Paul Wengen, president of L-3 S&N. “The contract demonstrates our customer’s continued confidence in our capabilities and our industry-leading standards, and will ensure we continue to be a key supplier on Boeing’s Delta launch vehicles.”

L-3 Space & Navigation, located in Budd Lake, New Jersey, is a world premier provider of inertial instruments and integrated fire control systems to the global marketplace and is a major supplier of high-quality pointing, guidance, control and positioning equipment for satellites, artillery and launch vehicles serving the military, commercial and government markets. The division's products and capabilities include fiber-optic and ring laser gyros, reaction wheel assemblies, position navigation units and fire control and digital battlefield solutions. L-3 Space & Navigation has provided state-of-the-art systems for many critical and strategically important space and national defense programs and is the premier supplier of precision pointing and position location systems for the U.S. Army.

To learn more about L-3 Space & Navigation, please visit the company’s web site at
www.L-3Com.com/Spacenav.

Headquartered in New York City, L-3 Communications is a leading provider of Intelligence, Surveillance and Reconnaissance (ISR) systems, secure communications systems, aircraft modernization, training and government services and is a merchant supplier of a broad array of high technology products. Its customers include the Department of Defense, Department of Homeland Security, selected U.S. Government intelligence agencies and aerospace prime contractors.

To learn more about L-3 Communications, please visit the company’s web site at www.L-3Com.com.

SAFE HARBOR STATEMENT UNDER THE PRIVATE SECURITIES LITIGATION REFORM ACT OF 1995

Except for historical information contained herein, the matters set forth in this news release are forward-looking statements. The forward-looking statements set forth above involve a number of risks and uncertainties that could cause actual results to differ materially from any such statement, including the risks and uncertainties discussed in the company’s Safe Harbor Compliance Statement for Forward-looking Statements included in the company’s recent filings, including Forms 10-K and 10-Q, with the Securities and Exchange Commission. The forward-looking statements speak only as of the date made, and the company undertakes no obligation to update these forward-looking statements.