The European Defence Agency closed its EU OPEX 2026 campaign at Santa Margarida in Portugal on October 14 after testing emerging defense systems under military exercise conditions. For the first time, EU OPEX ran inside a national exercise, ARTEX 26, rather than as a stand-alone technology demonstration. The shift matters because successful laboratory trials do not necessarily predict performance alongside actual military units.
The EDA's official account says the campaign began September 21 and brought together unmanned aircraft, robotic ground vehicles, counter-drone equipment and loitering munitions. More than 400 guests attended the final demonstration. Attendance is a measure of interest, not proof that any particular system is ready for procurement.
A trial built around operational conditions
Participating companies had to operate near military users and established command procedures. The aim was to observe usefulness and interoperability in demanding scenarios, including day and night operations. A product that works alone must still exchange information, survive field conditions and deliver something the unit can act on.
EU OPEX included the Sentinel Strike Challenge for loitering munitions. Five producers participated: Helsing Germany, Destinus, C-Astral, UAVision and Spirit Aeronautical Systems. The EDA said the winners are expected to be announced in early 2027. Describing the October demonstration as a completed competition with declared winners would therefore be inaccurate.
The industrial and procurement stakes
Four entrants in the related BraveTech EU initiative received awards of EUR 300,000 each: EdgeX Robotics of Poland, Kova Labs of Finland, Soraccel of France and Tempterno Defence of Estonia. The awards support further development, not a declaration that their products have passed every military acceptance test.
The campaign points to an important procurement distinction. Militaries have a growing supply of technologies to evaluate, but acceptance depends on controlled field evidence, support requirements, software integration and operator feedback. Testing can reveal limitations before a large contract converts them into costly commitments.
What happens next
EDA plans a new Centre for European Defence Innovation in November 2026, and the next EU OPEX campaign is planned for Switzerland. The Sentinel Strike decision is another milestone to watch, along with any release of measured performance data.
For the technical distinction between these weapons and ordinary drones, see what makes loitering munitions different.