According to the information provided by the U.S. Department of Defense, Northrop Grumman has received an order for the production of another batch of supersonic, low-flying SSST (Supersonic Sea-Skimming Target) airborne targets. As part of an addendum to the previously concluded contract, worth about $52 million, 16 GQM-163A Coyote systems are to be delivered to the U.S. Navy.