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Defense Briefing

October 23, 2026 · 05:03 Uhr

1

US & Israel plan new Iran strikes after midterms

NPR / New York Times

According to NPR and NYT, the US and Israel are preparing coordinated attacks on Iran for early November – immediately after the US midterm elections. Insiders report that another massive attack is intended to collapse Iran's economy and force Tehran to make concessions. Initial strikes in February–April had already driven energy prices worldwide and damaged Iran's nuclear program without forcing a ceasefire.

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2

GLOBSEC: NATO's Eastern Flank structurally exposed despite progress

GLOBSEC

A new GLOBSEC report on Battle-Readiness 2026 shows that military mobility remains the weakest link of NATO's Eastern Flank – infrastructure and legal barriers significantly slow troop movements. Social resilience and reserve systems, by contrast, act as force multipliers. Overall assessment: progress is real, but unevenly distributed – individual sections of the Eastern Flank are structurally defenseless in a crisis.

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3

Polymarket: NATO-Russia conflict by December at 36%

Polymarket

The most-traded security market on Polymarket (2.8M USD volume) assesses a direct NATO-Russia clash by year-end at 36% – an increase of 12 percentage points in just this week alone. The sharp rise correlates with Russia's intensified sabotage acts against European supply infrastructure and ongoing Ukraine offensive. High-liquidity markets are considered reliable early indicators of geopolitical escalation risk.

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4

Colby's NATO strategy jeopardizes Europe's nuclear deterrence

Foreign Policy

An op-ed in Foreign Policy warns that US Defense Secretary Colby's new strategy destabilizes Europe's conventional and nuclear deterrence architecture. The restructuring toward a 'NATO 3.0' without complete US nuclear guarantee creates dangerous gaps as long as Europe has not built independent nuclear deterrence. Particularly critical: bipartisan support for NATO in the US Congress exists, but the transatlantic security framework is in a critical transition phase.

5

Ukraine: Operation Vivaldi recaptures territory toward Lyman

ISW / understandingwar.org

ISW confirms in its situation report from October 22 that Ukrainian forces with Operation Vivaldi have regained operational initiative in the Lyman sector and liberated territory. Russia continues to rely on AI-manipulated footage and flag-planting operations to simulate territorial gains – an indication of increasingly sophisticated cognitive warfare. The front remains active in Zaporizhzhia, Kherson, Donetsk, and Luhansk, while diplomacy markets (92% for a meeting by October 31) rise in parallel.

Situation Report

Europe's security situation is in an acute multi-dimensional crisis: In the Middle East, the US-Israel-Iran conflict is escalating into a new phase, with Washington and Tel Aviv preparing strikes for November – with direct repercussions on energy prices and NATO resources. On the Eastern Flank, the GLOBSEC report reveals structural vulnerabilities despite record defense spending (634B USD in 2026), and Polymarket data reflects a significantly increased assessment of a direct NATO-Russia conflict with +12 percentage points in a single week. In parallel, Russia is systematically laying the groundwork for destabilizing Western societies through sabotage, cyberattacks, and cognitive warfare. The simultaneous transition phase to 'NATO 3.0' without secured nuclear guarantees creates a dangerous strategic vacuum that Moscow and Tehran could deliberately exploit.

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