Atk has been awarded an indefinite-delivery / indefinite-quantity (ID/IQ) contract from the US Navy for the production of AAR-47 missile warning system weapon replaceable assemblies (WRAs).

The $67m award includes the production of new and retrofit components, including optical sensors, control indicators and computer processors.

AAR-47 missile warning system is an electronic warfare system designed to protect helicopters and aircraft against surface-to-air missile threats as well as laser-guided and laser-aided weapons.

The systems are installed on aircraft belonging to the US, its allies and other 16 countries on more than 2,600 fixed and rotary-wing aircraft including the C-5, C-17, C-130, P-3, AH-1W, UH-1N, V-22.