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- Air & Missile Defense (3)
- Aviation (5)
- Green Technology (2)
- Military Kit (4)
- Naval Matters (3)
- Spaceflight (3)
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Latest Posts
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Earth Departure Tugs: Moving Mass to the Moon, Mars, and Beyond
Infrastructure to explore the solar system on a grand scale.
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Should we Revive CUDA/SACM for Missile Defence?
Giving Tactical Jets PAC-3 Capability on the cheap
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Nested Flaps for More Efficient Airliners
Using electric actuators to borrow a glider trick for big jets
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Hydrogen Peroxide-Butane Electric Pump Fed Rockets
The most efficient storable propulsion for small rockets
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Drone Gun Fighters for Cheap Missile Defence
Beating Jet-Powered Low-Cost Cruise Missiles at range and at scale.
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Inflatable Magnetic Sails to Unlock the Solar System
The Best Technology for Solar Sailing and Interplanetary Missions
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Financially Viable Supersonic Airliners
Slowing down a little to go farther and make the dream possible.
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Grassroots Geoengineering
Local environments are worth fixing, and small changes still add up
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Revisiting the Derschmidt Rotor
An Old Idea for High Speed Helicopters that might be ready for another chance.
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How and Why to Build a Nuclear Powered Civilian Ship
The cheapest and safest way to decarbonize big ships
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A Case for a Modern Battle Carrier
A cost effective shield for fleet carriers, amphibious operations, and critical sea lanes.