The 27.4 Million Euro ADEQUADE Project Closed in June 2026: Thales, Indra, Leonardo and Diehl Hand Europe Roadmaps for GNSS-Denied Navigation, Rydberg RF Detection and Single-Photon Imaging
Quentir Defense Monitor
Evidence-based insights for quantum defense and security. Published by Quentir Systems LLC · September 14, 2026.
On September 14, 2026, Indra Group announced the conclusion of ADEQUADE, the European Defence Fund project that spent three and a half years maturing quantum sensing technologies for European armed forces, and the announcement deserves a closer read than a routine consortium press release usually earns. ADEQUADE, short for Advanced, Disruptive and Emerging QUAntum technologies for DEfense, ran from late 2022 to June 2026 under Thales coordination, gathered 31 partners from eight European countries, and had an estimated total cost and maximum European Union contribution of 27,433,831.28 euros, figures stated to the cent in the European Commission factsheet. What the money was intended to buy was neither a weapon nor a fieldable sensor. It was intended to buy Europe a structured answer to a question every defense ministry on the continent is now asking: which quantum sensing technologies are worth carrying from the laboratory toward a platform, and in what order.
The project worked three strands. The first is positioning, navigation and timing for platforms that must keep flying, sailing and shooting when satellite navigation is jammed, spoofed or simply absent. The second is radio-frequency detection, where atomic receivers promise wideband ears that conventional antenna front ends cannot match. The third is optronics, where single-photon detection promises cameras that form images from light levels far below what current night-vision equipment needs. Grant agreement 101103417 sits in the EDF's 2021 call for disruptive research, and its declared activity types, generating and integrating knowledge alongside studies and design, tell a capability planner honestly where on the maturity ladder this work lived.
What grant 101103417 bought: three sensing strands, 31 partners from eight countries, and a deliberate supply-chain ambition
The consortium list on the Commission factsheet reads as a map of Europe's quantum industrial base. Alongside coordinator Thales stand the large integrators Indra, Leonardo, Diehl Defence, Safran Electronics and Defense, MBDA Italia, Rheinmetall Electronics and Elettronica. Beneath them sit the research institutions that own most of the underlying physics: CNRS and ONERA in France, TNO in the Netherlands, Fraunhofer in Germany, ICFO in Spain, the national metrology institute INRiM in Italy, the Technical University of Denmark, the University of Stuttgart and Palacký University Olomouc. And threaded through the list are the component houses a buyer should watch, because they are where a European supply chain either exists or does not: iXblue for photonics and inertial systems, Supracon for superconducting magnetometry, QuiX Quantum for photonic processors, Chilas for narrow-linewidth lasers.
That composition was the point. Indra's release is explicit that one pillar of the project was establishing a solid European industrial and technological base for critical quantum components and subsystems, an aim that matters because today several of the sharpest quantum sensing results still depend on lasers, modulators and detectors from a handful of suppliers, some outside Europe. The project's own site frames the goal as identifying disruptive capability opportunities, demonstrating quantum sensing functionalities through studies and designs, and proposing capability development strategies, wording a reader should take literally: this was a research action whose formal products are knowledge, designs and roadmaps.
Indra's role gives Spanish industry a specific seat. According to the company and to Spanish press coverage of the announcement, Indra led the work packages that defined operational scenarios and mission requirements, selected the target use cases, and wrote the technology roadmap intended to carry these capabilities from laboratory environments to deployable systems. In the PNT strand the project examined inertial sensors, atomic clocks, cold-atom gravimetry and magnetometers. In radio frequency it studied receivers built on Rydberg atoms and on nitrogen-vacancy centers in diamond. In optronics it worked on single-photon detection for imaging systems. José Pérez, who runs Indra's quantum technology research laboratory, says the results align directly with the needs of future European and national defense programs and will serve as the starting point for new phases of development, demonstration and acquisition.
Quantum pillar: sensing (imaging in low light). Use posture: dual-use. Technology readiness: editorially assessed at TRL 3 of 9, pending verification against the governing readiness rubric and supporting demonstration evidence. The project's declared outputs are studies, designs and technology roadmaps, which do not by themselves establish the imaging strand's demonstrated maturity.
Single-photon imaging is the strand program offices know least, and it is where photon-starved optronics would change night ISR
Most defense readers can already picture what the other two strands buy. GNSS-denied navigation is the promise defense planners already understand well in quantum sensing, with cold-atom gravimeters and optical clocks working toward keeping a strike package or a submarine honest about its own position after days without a satellite fix, and programs from Canberra to Ottawa now fund it directly; Canada's defense department structured a 20.3 million dollar consortium in Calgary around exactly this problem. Rydberg receivers, the second strand, turn a vapor of highly excited atoms into a calibrated, wideband RF front end, and their defense reading is spectrum awareness: a passive sensor that hears across bands a conventional receiver must be retuned to reach.
The optronics strand is less familiar, and it is the one this project treated as a peer of the other two. Single-photon imaging builds cameras from detectors sensitive enough to register individual photons, which changes what a sensor can do in three practical situations a force cares about. In photon-starved scenes, moonless nights, deep shadow, underwater approaches, an imager that needs only a handful of photons per pixel sees where image intensifiers produce noise. Against obscurants such as haze, smoke or foliage, time-gated single-photon detection can select the photons that returned from the target and reject the clutter in front of it. And for covert operation, a sensor this sensitive can work from illumination levels an adversary's detectors read as darkness. The same detector physics is moving in civil laboratories at speed; Quentir's medicine desk has followed imaging systems whose cameras never directly see the band they measure, and automotive lidar is pushing single-photon avalanche arrays into mass production. That civil pull is exactly why the posture reading here is dual-use: the underlying detectors, lasers and timing electronics serve Earth observation, autonomous vehicles and medical instruments as readily as they serve a targeting pod, and the industrial base ADEQUADE wants to secure would supply both markets.
What stands between a concluded research action and a system a program office can rely on
A reader weighing this announcement should hold on to the difference between what the sources establish and what they project. Established: the project ran, the consortium held together across 31 partners for the full term, the Commission listed a maximum EU contribution, and the deliverables, use cases, mission requirements, technology assessments and roadmaps, now exist and are already feeding follow-on proposals. The Commission itself points to ADEQUADE as a foundation for later EDF work in navigation, radio frequency and optronic systems. Projected, and still unproven: that any of the studied technologies will survive the climb from laboratory physics to a qualified military subsystem with its size, weight, power and cost under control.
That climb is where quantum sensing programs actually fail. A cold-atom gravimeter that performs beautifully on an optical table must keep performing on a vibrating airframe at military temperature ranges, serviced by technicians rather than physicists. A Rydberg receiver must beat, on cost and reliability, a conventional front end that decades of RF engineering have made cheap. A single-photon imager must deliver its photon-level sensitivity through real optics, in weather, at frame rates a fire-control loop can use. ADEQUADE's contribution is that Europe now holds a shared, argued list of which of these climbs are worth funding, written jointly by the integrators who would build the systems and the laboratories that understand the physics, with the mission requirements attached. That is a modest product with a specific value: it converts the next several hundred million euros of European quantum-defense spending from guesswork into sequenced engineering.
The follow-on structure is already visible in the EDF's later calls, which fund development actions at higher maturity than the 2021 research call that produced ADEQUADE. When those projects publish their first bench results, the useful question will be whether they cite ADEQUADE's requirements, because that citation trail is how a paper roadmap becomes a procurement pipeline. For now, a program office reading the Indra announcement should file it as the moment Europe finished deciding what to try in quantum sensing, and started deciding what to build.
Sources
Primary source: Indra Group's September 14, 2026 announcement of the ADEQUADE project's conclusion, with statements from José Pérez of Indra's quantum technology research laboratory. Other material: the European Commission's EDF 2021 selected-project factsheet for grant 101103417, the ADEQUADE project site, and El Plural's coverage of the announcement.