# Poland Signs With Sweden and Muscles Up NATO's Eastern Flank > On June 29, 2026, Poland signed a major defense agreement with Sweden, covering the acquisition of three submarines built by the Swedish - Author: Maxime Marquette - Publisher: MadMax (https://mad-max.co) - Section: Editorial - Published: 2026-07-05 - Canonical URL: https://mad-max.co/en/article/la-pologne-signe-avec-la-suede-et-muscle-le-flanc-est-de-l-otan ## Introduction: Warsaw is choosing the sea as much as the land ### A contract that seals a Nordic-Polish alliance On **June 29, 2026**, **Poland** signed a major defense agreement with **Sweden**, covering the acquisition of **three submarines** built by the Swedish giant **Saab**, for a total amount close to **47 billion Swedish kronor**, or roughly **$4.8 billion**. The deal, confirmed by **Bloomberg**, marks another step in the accelerated overhaul of Poland's defense apparatus since the start of the war in Ukraine. Prime Minister **Donald Tusk's** government has spent months stacking up defense partnerships with the Nordic countries, **France** and the **United Kingdom**, a strategic diversification coming as the war in **Ukraine** enters its fifth year and **Washington** appears to be shifting some of its military priorities elsewhere in the world. ### Why the maritime dimension matters as much as the land one Long focused on building up its **ground forces** and **artillery**, **Poland** is now adding a key piece to its defense strategy: a **modern submarine fleet** capable of securing its maritime approaches in the **Baltic Sea**, a zone that has become highly sensitive amid intensifying incidents attributed to **Russian underwater sabotage activity** targeting the region's undersea cables and pipelines. This acquisition comes as several countries bordering the **Baltic** have stepped up their naval presence, a region now nicknamed by some analysts **NATO's "lake"** since **Sweden** and **Finland** joined the Atlantic Alliance. *I'll say it plainly: seeing Poland invest heavily in its navy rather than settling for tanks and guns is a sign of strategic maturity. You don't defend NATO's eastern flank by land alone, you defend it by sea too, and Warsaw finally seems to have grasped that.* ## Poland's ambition to build Europe's largest ground army ### A goal set for 2035 This naval deal fits into a much bigger plan driven by **Warsaw**: to field, by **2035**, **Europe's largest land army**, a goal documented by several European strategic research centers, including the **French Institute of International Relations**. This ambition reflects an early Polish realization, from the very start of Russia's invasion of Ukraine in 2022, of the need to rearm massively and durably. **Poland** has for several years devoted a share of its **gross domestic product** to defense that ranks among the highest of all **NATO** member states, a sustained **budget effort** that far exceeds the **minimum targets** set by the Atlantic Alliance for its members. ### A direct response to geographic proximity with Russia This rearmament race is explained above all by **Poland's** particularly exposed geographic position, bordering both wartime **Ukraine** and the heavily militarized Russian enclave of **Kaliningrad**. This direct proximity to the Russian threat sets Warsaw apart from many other European capitals that are geographically farther from the conflict and historically slower to invest heavily in their own national defense. Polish authorities regularly justify this rearmament push with a conviction widely shared within the country's security establishment: that **Russia** could, over the medium term, test the strength of **NATO's** Article 5 along its eastern flank should the opportunity arise. *I find this Polish clarity refreshing on a European continent still too often tempted by budgetary comfort. Poland doesn't deal in empty words: it looks at the map, sees Kaliningrad and the Ukrainian border, and acts accordingly, without naivety.* ## Saab and Sweden's defense industry, a partner of choice ### Nordic naval expertise recognized worldwide The choice of **Saab** as an industrial partner is no accident: the Swedish group enjoys a **solid reputation** for designing submarines suited to the particular conditions of the **Baltic Sea**, a shallow sea with brackish waters that demands **specific naval engineering**, different from that used for submarines built for deep ocean waters. This Swedish technical expertise, proven over decades protecting its own territorial waters against the Soviet and then Russian threat, is a major strategic asset for **Poland**, which gains access to know-how directly transferable to its own maritime context. ### A cooperation that goes beyond a simple commercial contract Beyond its purely commercial aspect, this agreement seals a deeper defense cooperation between **Stockholm** and **Warsaw**, two capitals that now share a common perception of the Russian threat since Sweden joined **NATO**. This Nordic-Polish strategic convergence illustrates the rapid reshaping of defense alliances in Northern Europe since 2022. Swedish defense manufacturers, with **Saab** leading the charge, are also benefiting from sharply rising European demand since the outbreak of the war in **Ukraine**, a dynamic that benefits the continent's entire defense industrial and technological base. *This alliance between two countries that have long eyed Russia with instinctive wariness, one since the Cold War, the other after centuries of imperial rivalry, strikes me as exactly the kind of European cooperation NATO should be encouraging more of.* ## Persistent concerns over Russian hybrid activity ### Repeated warnings from Warsaw over sabotage This signing comes amid heightened tension: Polish authorities warned repeatedly in early July that **Russia** would seek to exploit tensions linked to the war in Ukraine to carry out sabotage operations on European soil, according to information reported by **Reuters**. These warnings are not isolated: they fit into a series of similar alerts issued by several European intelligence services since the start of the conflict. Polish intelligence services have also raised the possibility that **Russia** could use unmarked troops, stripped of official insignia, against the Baltic states, a tactic Moscow already used during the annexation of **Crimea** in 2014, known as the "little green men" operation. ### A vigilance that justifies naval rearmament It is precisely in this context of hybrid threats, combining sabotage, disinformation and calculated military provocations, that acquiring modern submarines takes on its full strategic meaning: a capable submarine fleet allows for discreet monitoring of suspicious movement in the **Baltic Sea**, a zone crisscrossed by energy and telecommunications infrastructure critical to the entire European continent. This enhanced underwater surveillance capability adds to a Polish defense apparatus already considerably modernized in recent years, including South Korean tanks, American air defense systems, and long-range artillery acquired from several Western partners. *I will never give in to the temptation of downplaying these Polish warnings simply because they come from a country historically wary of Moscow. Polish distrust of Russia isn't paranoia, it's historical memory applied to a very real and well-documented threat.* ## Trump's role and the question of the American umbrella in Europe ### A Western military posture that remains broadly solid On the strictly military and NATO front, the **Trump** administration has, despite repeated rhetorical friction over burden-sharing within the Alliance, maintained a real American commitment to the security of Europe's eastern flank, notably by keeping American troops in **Poland** and the Baltic states. This strategic continuity, though sometimes clouded by media uncertainty, deserves to be acknowledged objectively. The pressure **Washington** has placed on European allies to significantly raise their own defense spending, though often delivered bluntly, has paradoxically accelerated rearmament decisions like the one **Poland** made today — a country that, in any case, never needed convincing about the urgency of the Russian threat. ### A Europe that must learn to defend itself This agreement between **Warsaw** and **Stockholm** also illustrates a broader underlying trend: a **Europe** that finally understands it can no longer indefinitely offload responsibility for its own collective security onto American shoulders alone. This gradual strategic self-reliance, far from weakening **NATO**, actually strengthens it by diversifying its industrial and military capabilities. The combination of a still-present American military commitment and a strengthened European capability, built through agreements like this one, is, in my view, the strongest formula for durably deterring any further temptation of Russian aggression on the European continent. *I'll give Trump credit, on this specific military and NATO point, for pushing a Europe too long content with complacency to finally open its checkbook for its own defense. It isn't gentle diplomacy, but it's hard to argue it isn't working, and Poland is the best proof of that.* ## What this deal reveals about the future of Europe's defense industry ### A defense industrial base that is consolidating This **$4.8 billion** agreement also illustrates a broader trend of consolidation in **Europe's defense industry**, driven by unprecedented demand since the war in Ukraine began. European military equipment manufacturers, with **Saab** among the most emblematic, are enjoying exceptionally full order books for years to come. This industrial momentum is also fostering cross-border technological cooperation in Europe, potentially reducing several European countries' historic reliance on American military equipment, while maintaining the interoperability essential within **NATO**. ### A model that could inspire other eastern flank countries The Nordic-Polish cooperation model could inspire other **NATO** eastern flank countries, notably the Baltic states and **Romania**, which face similar security challenges from **Russia**. This potential replication of bilateral defense agreements between European countries would, over time, strengthen the continent's overall defensive cohesion against a Russian threat that shows, for now, no sign of durably fading. The challenge for Europe as a whole is now to turn these multiple bilateral agreements into a genuinely coherent continental defense architecture, rather than a mere patchwork of scattered national contracts. *I sincerely hope this agreement between Poland and Sweden doesn't remain an isolated case, but instead becomes the model for a finally coherent European defense, able to coordinate its military purchases rather than scattering them across a multitude of loosely connected bilateral contracts.* ## The precise technical capabilities of Poland's future submarines ### A design suited to the Baltic's shallow waters The submarines ordered from **Saab** are built on a design specifically conceived to operate in the relatively shallow waters of the **Baltic Sea**, a very different environment from the deep Atlantic waters where American or British submarine fleets traditionally operate. This technical specialization confirms Poland's strategic choice to favor a partner whose expertise matches its actual theater of operations, rather than a generic standard that would be less suited to the task. These vessels are expected to incorporate **air-independent propulsion** technology, allowing extended time submerged without needing to surface frequently, a crucial feature for discreet surveillance missions in a sea as busy and closely watched as the **Baltic**. ### A delivery timeline spanning several years Delivery of the **three submarines** ordered is expected to be staggered over several years, a typical timeframe for this kind of complex naval program, which involves a significant share of technology transfer and potentially local production within **Poland** itself, to strengthen the Polish defense industrial base over the long term. This type of defense industrial agreement usually comes with **skills-transfer** clauses to local shipyards, an additional strategic dimension that would allow **Poland** to gradually build up its own maintenance capacity, or even military shipbuilding capacity, reducing its future reliance on foreign suppliers. *This industrial dimension, often overlooked in media coverage of this kind of deal, strikes me as essential: a nation that learns to build and maintain its own defense tools gains a far more durable strategic sovereignty than one that simply buys turnkey solutions.* ## Other European capitals' reaction to this agreement ### A largely favorable reception in NATO circles Official reactions within **NATO** to the announcement of this agreement between **Warsaw** and **Stockholm** have been largely favorable, with several European diplomats informally welcoming a much-needed strengthening of allied naval capabilities in a region considered strategically vital since Sweden and Finland joined the Atlantic Alliance. Some European defense analysts also see it as a positive signal sent to **Washington**, demonstrating that European allies are capable of financing and coordinating major defense programs among themselves without systematically waiting for an American push first. ### More cautious voices on the fragmentation of European military purchases Some more critical voices, notably within the **European Commission**, nonetheless worry about the proliferation of scattered bilateral defense agreements rather than genuine continental coordination of military purchases, a fragmentation that could, over time, reduce the overall effectiveness of European investment in collective defense. This tension between national sovereignty over military purchases and the desirable continental coordination remains an unresolved debate within the **European Union**, even though the security urgency created by the war in **Ukraine** tends to push this institutional debate to the background in the face of the immediate imperative to rearm. *I understand Brussels' concern about the fragmentation of European military purchases, but I would take a thousand times over a Europe that arms itself quickly, even in scattered fashion, than a Europe perfectly coordinated on paper but paralyzed by years of endless institutional negotiations.* ## Conclusion: Poland charts the path for a Europe that finally takes charge ### A strong signal sent to Moscow In the end, this **$4.8 billion** agreement between **Poland** and **Sweden** sends a clear message to **Moscow**: NATO's eastern flank is not weakening, it is strengthening methodically, year after year, on both land and sea. This Polish resolve, driven by a clear-eyed, unflinching reading of the Russian threat, deserves to be held up as an example for the entire European continent. The combination of a firm land ambition set for **2035** and an immediate naval buildup through this partnership with **Saab** illustrates a coherent Polish defense strategy, built for the long haul rather than reactive urgency after a single event. ### An example for the rest of Western Europe to follow It remains to be seen whether the rest of **Western Europe**, historically more reluctant to devote substantial budget resources to defense, will draw inspiration from the Polish example before another dramatic event forces its hand. Recent European history has shown, far too many times, that preparation always precedes deterrence, never the other way around. By signing this agreement with **Sweden**, **Poland** is not simply making an industrial choice: it is asserting a clear strategic doctrine, that of a country that refuses to depend solely on its allies' goodwill to guarantee its own national security. *I'll close with a simple conviction: peace in Europe isn't built with speeches, it's built with submarines ordered, tanks delivered and budgets kept. Poland understands that better than anyone else on this continent, and that's good news for all of us.* **By Maxime Marquette, columnist** ## Columnist's transparency note ### Editorial stance I am not a journalist but a **columnist and analyst**. My expertise lies in observing and analysing the geopolitical, economic and strategic dynamics that shape our world. My work is to take political strategies apart, to understand global economic movements, to put the decisions of international actors in context and to offer analytical perspectives on the changes that are redefining our societies. I do not claim the cold objectivity of traditional journalism, which stops at reporting facts. **I claim analytical clarity**, rigorous interpretation and a deep understanding of the complex issues that concern us all. My role is to give meaning to the facts, to place them in their historical and strategic context, and to offer a critical reading of events. ### Method and sources This text keeps the basic distinction between **verified facts and interpretive analysis**. The rule never changes: a factual claim is published only when a verifiable source supports it, and the sources this article actually used are listed under **Sources**, never here. **Primary source families** used by the publication, when the story has them: official statements from governments and international institutions, public statements by political leaders, reports from intergovernmental organisations, dispatches from recognised international news agencies. **Secondary source families**: specialised publications, internationally recognised news media, analyses from established research institutions, reports from industry organisations. When an article cites statistical, economic or geopolitical data, it comes from the institutions that produce it (intergovernmental organisations, central banks, national statistics offices), and the exact institution is named under **Sources**. ### Nature of the analysis The analyses, interpretations and perspectives in the analytical sections of this article are a **critical, contextual synthesis** based on the information available, the trends observed and the expert comments cited in the sources consulted. My role is to interpret these facts, to set them in the context of today's geopolitical and economic dynamics, and to give them a coherent meaning within the larger story of the changes shaping our time. These analyses reflect expertise built through continuous observation of international affairs and an understanding of the strategic mechanisms that drive global actors. This article describes a documented state of affairs on its publication date, not a prediction: later developments may shift its outlook. No update is promised in advance; when an article is corrected or completed, the change is dated in the text. ## Sources ### Primary sources - Bloomberg, Poland signs $4.8 billion submarine deal with Sweden — June 29, 2026 - French Institute of International Relations, Poland, Europe's leading army by 2035 — analysis of Polish rearmament ### Secondary sources - Reuters, Poland warns Russia seeks to exploit Ukraine tensions through sabotage — July 1, 2026 - United24 Media, Polish intelligence warns Russia could use unmarked troops against Baltic states - NATO, official overview of member states' defense spending - Saab, overview of defense activities and partnerships in Poland --- Source: Maxime Marquette, MadMax. When citing, name the author and link https://mad-max.co/en/article/la-pologne-signe-avec-la-suede-et-muscle-le-flanc-est-de-l-otan