PRESS RELEASE - 10-22-02

L-3 Communications and Wescam announce expiration of U.S. Hart-Scott-Rodino waiting period
New York, New York /Burlington, Ontario – October 22, 2002 -- L-3 Communications (NYSE: LLL) and Wescam (TSX: WSC) announced today, in connection with the takeover bid by L-3 Communications for Wescam, that the statutory waiting period under the U.S. Hart-Scott-Rodino Antitrust Improvements Act of 1976, expired at 11:59 p.m. on October 21, 2002. The expiry of this waiting period is one condition of L-3 Communications’ offer to acquire Wescam.

L-3 Communications’ offer to acquire all of Wescam’s shares outstanding for C$9.50 per share in cash remains subject to the satisfaction or waiver of a number of other conditions outlined in L-3 Communications’ Take-Over Bid Circular that was mailed to shareholders on October 16, 2002. The transaction is expected to close by the end of 2002.

Wescam’s Board of Directors unanimously recommends that shareholders accept L-3 Communications’ offer and tender their shares to the offer.

The offer is scheduled to expire at 12:01 a.m. on November 21, 2002. Wescam’s shareholders are advised to read carefully the offer documentation and the Wescam Directors’ Circular, as they contain important information shareholders should consider in deciding whether to tender their shares to the offer, as well as information concerning the process for tendering shares. In addition, Wescam’s Directors’ Circular and L-3 Communications’ Take-Over Bid Circular are accessible on-line at www.sedar.com or on Wescam’s website at www.wescam.com.

Headquartered in New York City, L-3 Communications is a leading merchant supplier of Intelligence, Surveillance and Reconnaissance (ISR) products, secure communications systems and products, avionics and ocean products, training products, microwave components and telemetry, instrumentation, space and wireless products. Its customers include the Department of Defense, selected US government intelligence agencies, aerospace prime contractors and commercial telecommunications and wireless customers.

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

Wescam is a world leader in the design and manufacture of wireless visual information systems, the capabilities of which include the capture of images from mobile platforms and/or transmission of those images in real-time, to tactical command sites for interpretation or to production facilities for live broadcast.

Certain information in this press release may contain forward-looking statements. This information is based on current expectations that are subject to significant risks and uncertainties that are difficult to predict. Actual results might differ materially from results suggested in any forward-looking statements. The Companies assume no obligation to update the forward-looking statements, or to update the reasons why actual results could differ from those reflected in the forward-looking statements. Additional information identifying risks and uncertainties is contained in Wescam’s filings with the Ontario Securities Commission and L-3 Communications’ filings with the U.S. Securities and Exchange Commission.

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For further information please contact:

Wescam:                                                                  L-3 Communications:

Rick Ziemski                                                             Cynthia Swain

Vice President, Finance and CFO                               Vice President, Corporate Communications

(905) 633-4000                                                           212-697-1111

Julie Cabri                                                              FD: Morgen-Walke

Director, Investor Relations                        Investors: Eric Boyriven, Paul Johnson

(905) 633-4000                                                    Media: Evan Goetz

                                                                               212-850-5600