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Aviation’s Hydrogen Horizon
Clear Destination, Uncertain Path
6 hrs ago • Challenger Research and George Mennell

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Loyal Wingman Drones are Coming
Europe Risks Falling Behind and Becoming Dependent on the US
Jan 15 • Challenger Research and Ed Shannon
Britain’s Dangerous Delusion in a Post-American World
The 'Say-Do Gap'
Jan 13 • Challenger Research and James Reeves
The World Cup Drone Gap
Counter-UAS Disparities Across Host Nations
Jan 9 • Challenger Research and James Reeves
The Architects of Anarchy
How Cheap Russian Weapons Make State-Building Impossible
Jan 1 • Challenger Research and James Reeves
Closing the Naval Gap
Why Shipbuilding is the Key to American Reindustrialisation and Indo-Pacific Security
Dec 22, 2025 • Challenger Research and Kritanu Saha
The Buzz Without End
How Drones Are Recasting the Human Experience of War
Dec 16, 2025 • Challenger Research, George Wightman, and James Reeves
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