World Defense Show 2026: Northrop Grumman to present improved C2 management system
The Northrop Grumman Integrated Battle Command System is in service with Poland and the US Army with another 20 countries believed to have expressed an interest.
Japan to receive Leonardo SIT-422/5J
Leonardo-Finmeccanica is to supply its SIT-422/5J interrogator to the Japan Ground Self Defense Force (JGSDF) under a deal announced on 12 July.
The SIT-422/5J will form part of an Identification Friend or Foe (IFF) system that allows troops to distinguish between friendly vehicles and potential threats. The SIT-422/5J will send out interrogation signals to aircraft detected by Japanese radar to determine if the target is friendly or enemy aircraft.
Leonardo will partner with a prime contractor in Japan to deliver the technology and will provide the necessary support to enable in-country service-level maintenance of the equipment.
SIT-422/5J includes a Selective Identification Feature (SIF), Mode C, Mode S, Mode 4 and the new Mode 5. Mode 5 is the most advanced military-only identification mode, which modifies and addresses known shortcomings of the legacy Mode 4 systems.
The interrogator system is based on ‘external crypto appliqué technology’, meaning that the crypto element of the system (which provides secure encryption of the IFF signal) is a separate unit that can be removed and securely stored as needed.
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