BAE Systems Information and Electronics Systems Integration Inc., Greenlawn, N.Y., has been awarded a $21,742,595 modification (P00004) on contract (FA8615-13-C-6014) for the F-16 Mode 5 Advanced Identify Friend/Foe, combined interrogator transponder. The contract modification exercises the option for the purchase of an additional 200 production units being produced under the basic contract. This action includes the following European participating Air Force countries: Belgium, Denmark, The Netherlands, Norway, and Portugal. The percentage of this action that supports foreign military sales is 70 percent. Air Force Life Cycle Management Center, Wright-Patterson Air Force Base, Ohio, is the contracting activity.