Under the modification to an earlier fixed-price award, Northrop Grumman will produce hardware and support for the Large Aircraft Infrared Countermeasure system, or LAIRCM.
LAIRCM, which is a lightweight and compact system, detects a launch of a man-portable, infrared seeker missile and activates a high-intensity laser-based counter-measure system to track and defeat the missile.
In 2012, the Air Force gave Northrop a $334 million contract to supply the system -- in use by the Air Force since 2001 -- through April of this year for use on C-5 Galaxy, C-17 Globemaster III and C-130 Hercules aircraft.
Northrop Grumman said that under the $238 million contract modification, it will supply additional system transmitters, missile warning sensors, processors, lasers, control interface units and supporting equipment.
The equipment will be supplied through April 2016.
Notable deaths of 2014 [PHOTOS]