BAE Systems, Information and Electronic Systems Integration Inc., Greenlawn, New York, is awarded a $15,355,636 firm-fixed-price modification (P00007) to a previously awarded, indefinite-delivery/indefinite-quantity contract (N0001921D0008). This modification exercises an option for the production, delivery, and integration of Mode 5 capable Common Identification Friend or Foe (IFF) Digital Transponder Systems and associated Shop Replaceable Assemblies (SRA) in support of fixed and rotary winged aircraft. The procurements for the Navy are 20 AN/APX-117A (V) IFF transponders; 10 AN/APX-118A (V) IFF transponders; 62 AN/APX-123A (V) IFF transponders; six integration of Mode 5 Kits; 18 Mode 5 Remote Control Units; 20 Mode 5 upgraded remote controls; 19 IFF Transponder Mounting Trays; 10 Receiver/Transmitter SRAs; 15 Power Supplies; 10 Signal Processors; five Mode 5 Chassis; 10 Mode 5 SRAs; five Repair – AN/APX-117(V)/117A(V); 10 Repair – AN/APX-118(V)/118A (V); and 30 Repair – AN/APX-123(V)/123A (V). The procurements for the Army are 134 AN/APX-123A (V) IFF transponders; one RT-1835/RT-1836 to RT-1912A Modification; 20 Single Board Computers; 26 RT-1912 to RT-1912A Modification Kits, as well as 32 AN/APX-123A (V) IFF transponders for Foreign Military Sales customers. Work will be performed in Greenlawn, New York (85%); and Austin, Texas (15%), and is expected to be completed in December 2025. No funds will be obligated at the time of award; funds will be obligated on individual orders as they are issued. The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.