Source: https://tendernation.io/opportunities/01a13ce4-c742-72bf-94d1-df2ea98e7a79/voluntary-transparency-notice-mode-5-identification-friend-or-foe-iff-interim closed GB direct award procedure # Voluntary transparency notice: MODE 5 identification friend or FOE (iff) interim in service support (iss) [Ministry of Defence](https://tendernation.io/buyers/ministry-of-defence) Estimated value £10,000,000 to £16,000,000 Published 6 Jun 2024 Deadline Closed 30 Sept 2025 ## About this tender VOLUNTARY TRANSPARENCY NOTICE (VTN) TO PLACE A SINGLE SOURCE CONTRACT FOR MODE 5 IDENTIFICATION FRIEND OR FOE (IFF) INTERIM IN SERVICE SUPPORT (ISS). Air Platform Systems Delivery Team (APS DT), part of the Ministry of Defence ("the Authority"), intends to place a 2-year (with an additional 1-year option) interim in service support contract with Leonardo Electronics UK Ltd (LEUK) for the through-life support of LEUK supplied Identification Friend or Foe (IFF) hardware, software, ancillaries and training systems. This includes maintenance, technical engineering, software support, training, and associated software updates. LEUK are responsible for the delivery, embodiment and platform integration of this capability across multiple domains and platforms to provide critical operational capability to Defence. The Authority has determined this single source contract is excluded from Defence and Security Public Contracts Regulations 2011 under Regulation7(1)(a) in conjunction with Regulation 6(3A) (a). In addition, a "Warlike Stores" exemption under regulation 6(3A) (b) applies. ## CPV classification Radio, television, communication, telecommunication and related equipment Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/6fd9ab9f-f0bc-45ba-bc6c-3003a1d3cb4c) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Ministry of Defence: past awards and live tenders](https://tendernation.io/buyers/ministry-of-defence) [Sector More Telecoms & broadcasting equipment tenders](https://tendernation.io/sectors/telecoms-broadcasting-equipment) ## More tenders like this [Network equipment – DNS - Firewallová a NGFW řešení a související služby · DIAMO, státní podnik · 36 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a15183-2821-72c5-9be3-f18d626fe0ee/czechia-network-equipment-dns-firewallova-a-ngfw-reseni-a-souvisejici-sluz) [Network equipment – revitalizacija sigurnosne I mrežne infrastrukture FAZA II -2026 · PLINACRO d.o.o. · 7 days left · 26 Oct 2026](https://tendernation.io/opportunities/01a15183-2a2f-71ae-813f-c6a525a7b2ef/croatia-network-equipment-revitalizacija-sigurnosne-i-mrezne-infrastrukture) [Network infrastructure – INFRASTRUCTURA FIBRA OPTICA · Ministerul Apararii - Unitatea Militara 02133 · 36 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a15183-1383-70c0-a453-3a8ce5edfb88/romania-network-infrastructure-infrastructura-fibra-optica) [Network equipment – Zakup urządzeń umożliwiających uruchomienie modeli sztucznej inteligencji · Komenda Główna Policji · 9 days left · 27 Oct 2026](https://tendernation.io/opportunities/01a15183-1c3f-7180-bda2-39e35856c903/poland-network-equipment-zakup-urzadzen-umozliwiajacych-uruchomienie-modeli) [Network infrastructure – Rahmenvereinbarung zur Lieferung und Service von HPE Server-, SAN und Speicherstrukturen · Charité - Universitätsmedizin Berlin · 29 days left · 17 Nov 2026](https://tendernation.io/opportunities/01a15183-c512-72a8-abeb-a947b01f1c4c/germany-network-infrastructure-rahmenvereinbarung-zur-lieferung-und-service) [Network equipment – 2026-155 Subministrament d’equipament de seguretat perimetral i serveis per protegir els elements de TI hostatjats als centres de procés de dades (CPD) i equipament IOT de l’Hospital Clínic de Barcelona. · Consorci Hospital Clínic de Barcelona (HCB) · 29 days left · 17 Nov 2026](https://tendernation.io/opportunities/01a15183-2c8e-7273-967c-c73da289ab4d/spain-network-equipment-2026-155-subministrament-dequipament-de-seguretat-p)