Weekend TL;DR: Poland rewrites its airspace rules of engagement as a US permanent base inches closer.

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Headlines

Poland to relax rules of engagement for airspace violators. Following the Russian Mi-8 intrusion near Braniewo, Warsaw is formally changing its procedures to allow earlier use of force against airspace violators — a concrete doctrinal shift, not just political signalling. Combined with Poland's confirmation of a coming US permanent base, the eastern flank is hardening faster than at any point since 2022. Opex360

US permanent base in Poland: Polish official confirms decision made. A Polish defence official stated the Pentagon has decided to establish a permanent US military base in Poland, though Washington has not confirmed publicly. If true, this would be NATO's most significant eastern flank basing commitment since enlargement — directly answering SACEUR's warning about reduced US contributions with a concrete force-presence anchor. Defense One

AFRL certifies Anduril Barracuda as first open-architecture production munition. The Air Force Research Laboratory has certified the Barracuda cruise missile — already ordered by Latvia — as the first large-scale production weapon compliant with open systems architecture, enabling rapid software updates in the field. This is a landmark for the open-architecture munitions ecosystem and directly relevant to European interoperability planning. Air & Space Forces Magazine

Belgium pivots toward Italian FREMM EVO, abandoning Dutch ASWF programme. Facing further delays in the Dutch-Belgian anti-submarine warfare frigate programme, Belgium is reportedly favouring the Italian FREMM EVO — a move that would fracture the Benelux naval cooperation framework and hand Fincantieri a major northern European contract. Opex360

Blackbeard hypersonic missile photographed on Super Hornet; 2028 target. The clearest imagery yet of Castelion's Blackbeard low-cost hypersonic strike weapon has emerged from a US Navy test flight on an F/A-18F, with an operational fielding target of 2028. The weapon's low-cost philosophy mirrors the logic driving European affordable standoff strike debates. The War Zone

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Germany & DACH

Thyra C-UAS: a new German-made counter-drone system from Hesse. A domestic counter-UAS system called Thyra, manufactured in Hesse, has been publicly presented as a candidate German solution — adding to a growing national C-UAS industrial base that includes Project EULE and Rheinmetall's offerings. Procurement interest has not yet been confirmed. Defence Network

TKMS and UAE's EDGE Group formalise underwater surveillance MoU. During a UAE state visit to Germany, TKMS and EDGE signed an MoU to explore joint development of underwater protection and surveillance systems — a commercially significant pairing as undersea infrastructure protection moves up the European security agenda. Naval News

Switzerland adopts new security strategy acknowledging transformed threat environment. Bern has approved a security policy strategy that explicitly prioritises resilience and defence capability — a quiet but meaningful shift from traditional Swiss neutrality toward practical security alignment with European partners, echoed by the domestic debate over lifting Russia sanctions. Defence24

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Worth Watching

F-15Es return from Iran with 45 Shahed kill markings — the most tangible open-source picture yet of US air combat attrition and drone-kill tempo in Operation Epic Fury; expect European air forces to study the engagement data closely. The Aviationist

UK deploys entire Rivet Joint fleet simultaneously near Russia — an extraordinary ISR surge that will either reflect a genuine intelligence requirement or serve as deliberate signalling; worth monitoring for follow-on disclosures. UK Defence Journal

Ukraine opens battlefield AI training data to UK firms — if access widens to other European partners, this platform could become the de facto European testbed for AI-enabled drone autonomy, with implications for FCAS remote carrier and loyal-wingman development timelines. Defense News