The Last Line of Defense• Dec 17, 2025• 31:30Interview

Which Military Shocks Defined 2025 — and What's Next in 2026?

From The Last Line of Defense

Kerry Bingen•Director, Aerospace Security Project at the Center for Strategic and International Studies

Executive Summary

and Israel conducted highly effective military operations against Iran in 2025, demonstrating advanced capabilities that contrast sharply with Russia's continued attritional failures in Ukraine.
China's military-industrial complex is expanding at an unprecedented rate, particularly in shipbuilding and satellite production, signaling a clear intent to be ready for a major conflict by its 2027 target.
strategic priorities are shifting towards homeland defense (the 'Golden Dome' initiative) and the Western Hemisphere, raising questions about resource allocation while pressuring allies to meet higher defense spending targets.
The war in Ukraine has become a brutal stalemate defined by massive Russian casualties and innovative Ukrainian asymmetric tactics, such as long-range drone strikes on strategic Russian assets.

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Concerns Raised

China's military-industrial capacity vastly outpacing that of the U.S.
The risk of a direct Russia-NATO conflict triggered by an accidental or intentional strike on a member state.
The strategic trade-offs of focusing U.S. military assets on the Western Hemisphere instead of the Indo-Pacific.
The vulnerability of U.S. strategic bases to sophisticated, low-cost drone attacks.
A disconnect between the 5% GDP defense spending demanded of allies and the U.S.'s own ~3% spending level.

Opportunities Identified

Major defense acquisition reforms aimed at accelerating the delivery of new capabilities to the warfighter.
Increased defense spending and readiness among key NATO and Asian allies.
The demonstrated effectiveness of advanced U.S. and Israeli military technology and doctrine in complex operations.
Lessons learned from Ukrainian battlefield innovation in drone warfare and asymmetric tactics.

Key Themes

The Shifting Character of Modern Warfare

The episode contrasts different models of modern conflict, juxtaposing Israel's swift, integrated-arms success against Iran with Russia's high-casualty, attritional failure in Ukraine. It also highlights Ukraine's innovative use of drones to conduct deep, asymmetric strikes, demonstrating a new paradigm in warfare.

This analysis is critical for defense planners to understand the declining effectiveness of brute-force tactics against adaptive adversaries and the rising importance of technological superiority, combined arms doctrine, and asymmetric capabilities.

China's Unprecedented Military-Industrial Buildup

China is rapidly expanding its military and industrial power at a scale that dwarfs the United States in key areas like shipbuilding, power generation, and satellite production. This buildup, aimed at a 2027 readiness target, includes advanced nuclear, hypersonic, and unmanned systems, signaling a comprehensive challenge to U.S. dominance.

This represents the primary long-term strategic challenge to the U.S. and its allies, threatening to overturn the military balance of power in the Indo-Pacific and forcing a fundamental rethink of American deterrence and industrial strategy.

America's Strategic Reprioritization and Homeland Defense

The administration is pivoting U.S. defense policy inward, focusing on the Western Hemisphere with significant military deployments and launching the 'Golden Dome' initiative for homeland missile defense. This 'America First' approach is coupled with intense pressure on allies to drastically increase their own defense spending to 5% of GDP.

This shift creates a strategic trade-off, dedicating significant resources to the Americas that might otherwise be postured against China or Russia, while testing the cohesion of alliances as the U.S. demands greater burden-sharing.

The Russia-Ukraine Stalemate and NATO's Eastern Flank

The war in Ukraine continues as a grinding stalemate, degrading Russia's conventional forces but also serving as a laboratory for drone warfare and electronic countermeasures. The discussion highlights the persistent risk of escalation, with a potential Russian strike on a NATO country identified as a major 'wild card' for 2026.

The conflict underscores the vulnerability of modern military bases to drone attacks and the constant threat of miscalculation on Europe's eastern flank, which could trigger a direct NATO-Russia confrontation.

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Topics

Geopolitics Military Strategy Defense Industrial Base US-China Relations Russia-Ukraine War Drone Warfare Electronic Warfare US Foreign Policy NATO Iran Nuclear Program Israel-Iran Conflict Homeland Defense Defense Spending Acquisition Reform Space Warfare Nuclear Deterrence

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