Cobham to provide AN/ALQ-99 electronic warfare systems for Navy and Marine Corps EA-6B and E/A-18G electronic jammer aircraft

LANSDALE, Pa., 27 May 2010. The Sensor and Antenna Systems segment of Cobham Defense Electronic Systems in Lansdale, Pa., will build the AN/ALQ-99 low band transmitter-antenna group electronic warfare system for U.S. Navy and Marine Corps EA-6B and E/A-18G electronic jamming aircraft under terms of a $46 million contract from Naval Air Systems Command at Patuxent River Naval Air Station, Md., Cobham officials announced today.

The AN/ALQ-99 receivers and antennas are mounted in fin-tip pods of the Navy and Marine Corps EA-6B and E/A-18G electronic jamming aircraft, while transmitters and exciters are in under-wing pods. The system intercepts radio signals, performs automatic signal processing, and jams the signals.

The system also can detect, identify and radio communications and radar signals in signals intelligence (SIGINT) missions. The AN/ALQ-99 low band transmitter-antenna group (LBT-AG) is designed to protect strike aircraft, ships, and ground troops by disrupting enemy radar and communications, and is heavily used in military operations in Iraq and Afghanistan.

The contract to Cobham Sensor and Antenna pays for a third full-rate production lot of the AN/ALQ-99 airborne integrated electronic jamming system; an initial award procures 60 low band transmitters and antennas, bringing the total number of production transmitters ordered to 217. To date 80 of 217 transmitters have been delivered.

Deliveries will continue through 2012. For more information contact Cobham Sensor and Antenna Systems online at


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August 2015
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