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L3 Combat Propulsion Systems Successfully Completes 150 Hours of Federal Aviation Regulation Durability Testing on Its R350 Heavy Fuel Rotary Engine

MUSKEGON, Mich., February 23, 2012

L3 Combat Propulsion Systems (CPS) announced today that it has successfully completed the required 150 hours of operation set forth by the Federal Aviation Regulation (FAR) Part 33.49 durability tests with its R350 heavy fuel rotary engine. L3's rotary engine functioned according to requirements at 45 horsepower and 6,000 rotations per minute with JP-8 fuel used as part of the FAR's Endurance Testing process.

The R350 is a reliable, high-power density, fuel-efficient rotary engine designed for applications, including Unmanned Aerial Vehicles (UAVs), Unmanned Ground Vehicles (UGVs), Unmanned Undersea Vehicles (UUVs), Mobile Auxiliary Power Units (APUs) and Tactical Quiet Generators (TQGs).

"Successful completion of these rigorous government performance tests is a major milestone in the design, development and fielding of the R350 heavy fuel rotary engine," said S. Arnie Johnson, vice president of engineering. "We will continue to conduct reliability and performance testing and will begin work with airframe and platform manufacturers on integration testing in the field."

L3 Combat Propulsion Systems, located in Muskegon, Mich., specializes in the design, development and manufacture of high-performance diesel engines, transmissions and hydropneumatic suspension systems for ground combat vehicles; heavy fuel (JP-8) rotary engines for UAVs, UGVs and APUs; permanent-magnet integrated starter generators; permanent-magnet motors and generators; hybrid-electric systems; electric wheel drive motors; AC and DC high- and low-power electronics; and controls. To learn more about L3 Combat Propulsion Systems, please visit the company's website at

Headquartered in New York City, L3 employs approximately 61,000 people worldwide and is a prime contractor in C3ISR (Command, Control, Communications, Intelligence, Surveillance and Reconnaissance) systems, aircraft modernization and maintenance, and government services. L3 is also a leading provider of a broad range of electronic systems used on military and commercial platforms. The company reported 2011 sales of $15.2 billion dollars. To learn more about L3, please visit the company's website at

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. Statements that are predictive in nature, that depend upon or refer to events or conditions or that include words such as "expects," "anticipates," "intends," "plans," "believes," "estimates," "will," "could" and similar expressions 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.

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